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        <countryCode Sync="TRUE" value="USA"/>
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    <mdContact>
        <rpOrgName>Fairfax County GIS and Mapping Services</rpOrgName>
        <rpPosName>GIS Data/Database Administrator</rpPosName>
        <rpCntInfo>
            <cntPhone>
                <voiceNum>(703)-324-2712</voiceNum>
                <voiceNum tddtty="True">711</voiceNum>
                <faxNum>(703)-324-3937</faxNum>
            </cntPhone>
            <cntAddress addressType="both">
                <delPoint>12000 Government Center Pw. Suite 117</delPoint>
                <city>Fairfax</city>
                <adminArea>VA</adminArea>
                <postCode>22035</postCode>
                <country>US</country>
                <eMailAdd>gis.helpq@fairfaxcounty.gov</eMailAdd>
            </cntAddress>
            <cntHours>Monday 8:00am - 4:15pm / Tuesday 9:00am - 4:15pm / Wednesday - Friday 8:00am - 4:15pm (EST)</cntHours>
        </rpCntInfo>
        <role>
            <RoleCd value="007"/>
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    <mdStanName>ArcGIS Metadata</mdStanName>
    <mdStanVer>1.0</mdStanVer>
    <distInfo>
        <distributor>
            <distorCont>
                <rpOrgName>Fairfax County GIS and Mapping Services</rpOrgName>
                <rpPosName>Customer Services Supervisor</rpPosName>
                <rpCntInfo>
                    <cntPhone>
                        <voiceNum>(703)-324-2712</voiceNum>
                        <voiceNum tddtty="True">711</voiceNum>
                        <faxNum>(703)-324-3937</faxNum>
                    </cntPhone>
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                        <delPoint>12000 Government Center Pw. Suite 117</delPoint>
                        <city>Fairfax</city>
                        <adminArea>VA</adminArea>
                        <postCode>22035</postCode>
                        <country>US</country>
                        <eMailAdd>gis.helpq@fairfaxcounty.gov</eMailAdd>
                    </cntAddress>
                    <cntHours>Monday 8:00am - 4:15pm / Tuesday 9:00am - 4:15pm / Wednesday - Friday 8:00am - 4:15pm (EST)</cntHours>
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                <role>
                    <RoleCd value="005"/>
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            <distorOrdPrc>
                <resFees>Property &amp; Topography Data. This data set includes over 30 layers of attributed vector property, planimetric, and contour data that were derived primarily from survey plats and orthophotography. The Countywide Property &amp; Topography 4 CD set in Coverage format sells for $2850. The Countywide Property &amp; Topography 3 CD set in Shapefile format sells for $2850. Property &amp; Topography by Map Grid Tile data on CD is available in Coverage or Shapefile fomat. There is a $25 base charge per order plus an additonal fee of $13 per tax map grid tile. The Countywide Property &amp; Topography Data Dictionary.</resFees>
                <ordInstr>CD data can be requested by mail, fax, or in person. Orders will not be processed until payment is received. Acceptable forms of payment include: cash, check, or money order ( credit cards are not accecpted). The order form can be downloaded/printed from the Fairfax County GIS Web (http://www.fairfaxcounty.gov/maps/forms.htm) and sent to GIS and Mapping Services-12000 Government Center Pw.-Suite 117-Fairfax-VA-22035-0010. Any questions about the GIS Property and Topography Data CD should be directed to the GIS and Mapping Services @ (703)-324-2712.</ordInstr>
                <ordTurn>Five (5) working days.</ordTurn>
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                <formatName>Personal geodatabase</formatName>
                <formatVer>9.2</formatVer>
                <fileDecmTech>no compression applied</fileDecmTech>
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                <formatName>Arcinfo Shapefile</formatName>
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                <fileDecmTech>no compression applied</fileDecmTech>
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                    <orDesc>Available on CDROM</orDesc>
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            <formatName Sync="FALSE">Feature Class</formatName>
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        <idCitation>
            <date>
                <pubDate>2013-01-01</pubDate>
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                <rpOrgName>Fairfax County Government</rpOrgName>
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                <rpOrgName>Fairfax County Government</rpOrgName>
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                        <delPoint>Fairfax County, Virginia, USA</delPoint>
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            <resTitle Sync="FALSE">Water Features Polys</resTitle>
            <presForm>
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        <idAbs>&lt;DIV STYLE="text-align:Left;"&gt;&lt;DIV&gt;&lt;DIV&gt;&lt;P&gt;&lt;SPAN&gt;Hydrographic polygons in and around Fairfax County. The original data in this layer was captured during the 1997 data conversion effort for Fairfax County. After that an update capture was completed in 2014 using stereo models from the 2009 Virginia State imagery. Subsequent to that an update capture was completed in 2022 using stereo models from the 2017 Virginia State imagery. The most recent planimetric update was completed in 2024 using orthoimagery from the 2023 and 2022 Eagleview Orthophotos.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;This dataset contains lakes, ponds, streams, rivers, etc. within the established constraints of the dataset development. The data set width threshold for double line stream polygons is &amp;gt; 20' &lt;/SPAN&gt;&lt;SPAN&gt;and &amp;lt; 20' for all single line features. The determination of a 20-foot-wide stream is based on the average width over the length of the segment. So, if a stream segment on average is 20 feet or wider then that stream becomes a double line stream and will be a polygon as well as a stream centerline down the middle. Typically, from that point on downstream that stream will be a double line stream.&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;&lt;SPAN&gt;Contact: Fairfax County Department of Information Technology GIS Division&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;&lt;SPAN&gt;Data Accessibility: Publicly Available&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;&lt;SPAN&gt;Update Frequency: As Needed&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;Last Revision Date: 3/1/2024&lt;/SPAN&gt;&lt;SPAN /&gt;&lt;SPAN /&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;&lt;SPAN&gt;Creation Date: &lt;/SPAN&gt;&lt;/SPAN&gt;&lt;SPAN&gt;&lt;SPAN&gt;1/1/1997&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;&lt;SPAN&gt;Feature Dataset Name: GISMGR.PLANIMETRIC&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;&lt;SPAN&gt;Layer Name: GISMGR.HYDRO_AREAS&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;/DIV&gt;&lt;/DIV&gt;&lt;/DIV&gt;</idAbs>
        <idPurp>The hydrographic areas depict the polygonal areas of bodies of water in and around Fairfax County.  This data is used to depict the areal extent of hydrographic features for analysis and drawing on maps.</idPurp>
        <idCredit>Fairfax County, Virginia;Fairfax County Department of Information Technology GIS Division, Avineon Inc. and Timmons Group (2017 &amp; 2023 Updates), Geodecisions and Plangraphics, Inc (2009 Updates), ASI Technologies (1997)</idCredit>
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            <ProgCd value="001"/>
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        <idPoC>
            <rpOrgName>Fairfax County GIS and Mapping Services</rpOrgName>
            <rpPosName>GIS Data/Database Administrator</rpPosName>
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                <cntPhone>
                    <voiceNum>(703)-324-2712</voiceNum>
                    <voiceNum tddtty="True">711</voiceNum>
                    <faxNum>(703)-324-3937</faxNum>
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                <cntAddress addressType="both">
                    <delPoint>12000 Government Center Pw. Suite 117</delPoint>
                    <city>Fairfax</city>
                    <adminArea>VA</adminArea>
                    <postCode>22035</postCode>
                    <country>US</country>
                    <eMailAdd>gis.helpq@fairfaxcounty.gov</eMailAdd>
                </cntAddress>
                <cntHours>Monday 8:00am - 4:15pm / Tuesday 9:00am - 4:15pm / Wednesday - Friday 8:00am - 4:15pm (EST)</cntHours>
            </rpCntInfo>
            <role>
                <RoleCd value="007"/>
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        <placeKeys>
            <keyword>Fairfax County</keyword>
            <keyword>Virginia</keyword>
            <keyword>USA</keyword>
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        <themeKeys>
            <keyword>Water</keyword>
            <keyword>Hydro</keyword>
            <keyword>Hydrography</keyword>
        </themeKeys>
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            <keyword>FFX</keyword>
            <keyword>Fairfax County</keyword>
            <keyword>Virginia</keyword>
            <keyword>VA</keyword>
            <keyword>Fairfax County Department of Information Technology GIS Division</keyword>
            <keyword>Hydro Areas</keyword>
            <keyword>Hydro Features</keyword>
            <keyword>Pond</keyword>
            <keyword>Lake</keyword>
            <keyword>Water</keyword>
            <keyword>Stream</keyword>
            <keyword>River</keyword>
            <keyword>Swamp</keyword>
            <keyword>Hydrographic Features</keyword>
            <keyword>Hydrography</keyword>
            <keyword>FFX-Environment</keyword>
            <keyword>FFX_OD</keyword>
        </searchKeys>
        <resConst>
            <LegConsts>
                <useLimit>User must assume responsibility to determine the usability of this data for their purpose. A signed copy of the license agreement must be on file with the Fairfax County GIS and Mapping Services Office.</useLimit>
            </LegConsts>
        </resConst>
        <resConst>
            <Consts>
                <useLimit>&lt;DIV STYLE="text-align:Left;"&gt;&lt;DIV&gt;&lt;DIV&gt;&lt;P&gt;&lt;SPAN&gt;&lt;SPAN&gt;Please review the &lt;/SPAN&gt;&lt;/SPAN&gt;&lt;A href="https://www.fairfaxcounty.gov/maps/disclaimer" STYLE="text-decoration:underline;"&gt;&lt;SPAN&gt;&lt;SPAN&gt;Fairfax County GIS Division disclaimer&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/A&gt;&lt;SPAN&gt;&lt;SPAN&gt;.&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P STYLE="margin:0 0 7 0;"&gt;&lt;SPAN /&gt;&lt;/P&gt;&lt;/DIV&gt;&lt;/DIV&gt;&lt;/DIV&gt;</useLimit>
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            <languageCode value="eng"/>
            <countryCode Sync="TRUE" value="USA"/>
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                        <exterior>
                            <pos>-77.54533008 38.61389198</pos>
                            <pos>-77.54533008 39.0804078</pos>
                            <pos>-77.03408065 39.0804078</pos>
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            <vertEle>
                <vertMinVal Sync="TRUE">-71.750000</vertMinVal>
                <vertMaxVal Sync="TRUE">482.750000</vertMaxVal>
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        <dataExt>
            <exDesc>publication date</exDesc>
            <tempEle>
                <TempExtent>
                    <exTemp>
                        <TM_Instant>
                            <tmPosition>2007-01-01</tmPosition>
                        </TM_Instant>
                    </exTemp>
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            <tempEle>
                <TempExtent>
                    <exTemp>
                        <TM_Instant>
                            <tmPosition>2009-01-01</tmPosition>
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                <vertMaxVal Sync="TRUE">482.750000</vertMaxVal>
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                    <westBL Sync="TRUE">-77.543614</westBL>
                    <eastBL Sync="TRUE">-77.013387</eastBL>
                    <northBL Sync="TRUE">39.070202</northBL>
                    <southBL Sync="TRUE">38.599266</southBL>
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    <mdMaint>
        <maintFreq>
            <MaintFreqCd value="012"/>
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        <dateNext>20050101</dateNext>
        <maintNote>Last metadata review date: 20040714</maintNote>
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    <dqInfo>
        <dqScope>
            <scpLvl>
                <ScopeCd value="005"/>
            </scpLvl>
        </dqScope>
        <report type="DQConcConsis">
            <measDesc>Segments making up the outer and inner boundaries of a polygon tie end-to-end to completely enclose the area. No duplicate features exist. Intersecting lines are separated into individual line segments at the point of intersection. All nodes are represented by a single coordinate pair, which indicates the beginning or end of a line segment. Logical consistency was tested by visual inspection and automated quality control procedures.</measDesc>
        </report>
        <report type="DQCompOm">
            <measDesc>Using the raw contours layered onto the captured surface data along with a visual check against the ortho models the hydro completeness was checked. The hydro data was further QC's by GeoDecisions, Plangraphics, and Fairfax County.</measDesc>
        </report>
        <report type="DQQuanAttAcc">
            <measDesc>Fairfax County has reviewed the attribute data for accuracy. Names will be added by the county at a later date.</measDesc>
            <evalMethDesc>None</evalMethDesc>
            <measResult>
                <QuanResult>
                    <quanVal>0.00</quanVal>
                </QuanResult>
            </measResult>
        </report>
        <report dimension="horizontal" type="DQAbsExtPosAcc">
            <measDesc>The cumulative result of all errors, including those introduced by the processes of ground control surveys, map compilation, and final extraction of ground dimensions from the hard copy map at 1" = 100' scale (or digital data measured in zoom on screen, independent of the scale) for well-defined points/features, will not exceed a limiting RMS error in X and Y coordinates of + 1', respectively, at 68 percent confidence tested as per NSSDA testing procedures and applied on a test sample containing 20 or more points in a County map sheet. However, based on project flight and control design and high precision digital AT performance, the accuracy could be expected to be 95 percent confidence.</measDesc>
        </report>
        <dataLineage>
            <prcStep>
                <stepDesc>Step 1. The project was setup on softcopy photogrammetry workstations by a photogrammetric technician who created a separate project directory for the Fairfax County project. The 2D planimetric data sets were first draped over the 2007 DTM surface and reviewed. If the surface ded not yield accurate results, the surface was draped over the newly created DTM surface so that the 3D element is reintroduced and the data is viewable in the SSK stereo environment. The technician loaded the existing stereo pairs from the 2007 aerial photography. In orienting the models, the technician selected the project area he/she wanted to start with and imported the necessary imagery to the workstation. Relative and absolute orientation were achieved by importing the orientation parameters from the Fairfax supplied AT results. The software imports the stereopair and orient the workstation automatically. At this point, stereo model orientation is complete. The technician overlayed existing planimetric data. Existing datasets that were in a 2D format were draped over an existing surface model to reintroduce the third dimension. Prior to beginning the capture of planimetric features, the technician reviewed the existing datasets in 3D to make certain that they were suitable. Existing data was reviewed to make certain that data was on the ground, correctly placed, and that it meet the necessary positional and horizontal accuracies of the project. This review identified whether the existing data could be modified and updated or if any entirely new collection of features would deliver the best overall dataset. Prior to the initiation of compilation, a data capture matrix was setup in MicroStation on the softcopy photogrammetric and data edit stations by the photogrammetric and edit team members who were assigned to the project. The setup of the project was based on the specifications set forth by Fairfax County. The SSK systems were programmed to support writing data to specific layers of the MicroStation design file. The compilation setup was verified through collection and formatting of several test stereo models. The GeoDecisions team collected all planimetric feature data in 3D mode using softcopy photogrammetry. The photogrammetric technician collected features to be depicted as closed polygons (multi-addressable structures, bridges, tunnels, open water bodies, airports) and added a label point within each feature. As the technician completed each stereo model, the .DGN CAD file was given a unique name. The photogrammetric technician called up the adjacent stereo models and performed a preliminary edge match to determine that features tied across model boundaries and to make certain that no features are omitted. As progressive stereo models were compiled, the operator conducted ongoing checks for the X, Y, and Z coincidence between stereo models (sidelap and overlap) verifying that no vertical or horizontal shift occured at model boundaries. This was a visual examination that helped identify any offsets attributable to the AT adjustment. All vector data features were compiled in 3D with one digital file per stereo pair. This was to simplify the tracking of the project through production, and to eliminate the re-orientation of models. All features were digitized to the edge of the neat model, or project boundary. Polygons at the edge of the imagery extent were closed by the imagery extent, and line features will end and coincide with that extent. A text node wwas be placed in all polygon features. The completed file is then written to the appropriate network subdirectory. Southeastern quadrant only.</stepDesc>
                <stepSrc type="used">
                    <srcCitatn>
                        <resAltTitle>PLAN1</resAltTitle>
                    </srcCitatn>
                </stepSrc>
                <stepSrc type="produced">
                    <srcCitatn>
                        <resAltTitle>PLAN3</resAltTitle>
                    </srcCitatn>
                </stepSrc>
            </prcStep>
            <prcStep>
                <stepDesc>The hydrography areas feature class was captured using Delivery Method 2 for all quadrants of the County. Features were added and removed from the layer as necessary. The team then attributed all the features in the project area quadrant with a source value indicating that it was updated via this project (i.e., STEREO MODELS 2009). The GeoDecisions team then provided the entire countywide data back for replacement within the GIS database.</stepDesc>
                <stepSrc type="used">
                    <srcCitatn>
                        <resAltTitle>PLAN2</resAltTitle>
                    </srcCitatn>
                </stepSrc>
                <stepSrc type="produced">
                    <srcCitatn>
                        <resAltTitle>PLAN5</resAltTitle>
                    </srcCitatn>
                </stepSrc>
            </prcStep>
            <prcStep>
                <stepDesc>Step 2. The technician overlaid the existing planimetric data. Existing datasets that were in 2D format were draped over an existing surface model to reintroduce the third dimension. Prior to beginning the capture of planimetric features, the technician reviewed the existing datasets in 3D to make certain that they were suitable. Existing data was reviewed to make certain that they were on the ground, correctly placed, and that they met the necessary positional and horizontal accuracies. This review identified whether the existing data could be modified and updated or if any entirely new collection of features would deliver the best overall dataset.</stepDesc>
                <stepSrc type="used">
                    <srcCitatn>
                        <resAltTitle>PLAN3</resAltTitle>
                    </srcCitatn>
                </stepSrc>
                <stepSrc type="produced">
                    <srcCitatn>
                        <resAltTitle>PLAN5</resAltTitle>
                    </srcCitatn>
                </stepSrc>
            </prcStep>
            <prcStep>
                <stepDesc>Step 2. The cartographic edit technician copied the datasets to a local workstation disk and began the edit process. When a major error (e.g., long segments of missing roads) was detected, it was documented and returned to compilation for correction. Minor errors detected (e.g., overshoots, undershoots, intersections not snapping, level and symbology errors) were manually corrected by the cartographic enhancement team. The separate files of collected planimetric data (delimited by the extents of each stereo model) were merged for the entire project area. The editor opened the project boundary file and verified that the planimetric data fully covered the required area. The editor runs an automated QC routine that was accessed in ArcInfo that created a CAD-readable file indicating the locations of dangles or other anomalies in the digital file. The editor inspected all of these flagged features against the orthoimagery and determined if the dangle was permissible, or performed the corrections directly. The editor further verified that no line features terminate at model boundaries, which would indicate that a portion of the feature was omitted during data collection. If necessary, omissions were reported to the photogrammetric technician who then re-set the affected model and collected missing data. The content of the digital file was verified to make certain that each feature was represented on the correct level in accordance with the feature capture table. The consistency of the content of the digital files was verified through completion of several global QC routines that checked consistency of line, text, and symbology elements. The editor repaired features that were not correctly snapped or where there were over or undershoots. The editor verified the integrity of the data in the third dimension by inspection in profile view to identify points or elements with an incorrect elevation value. The editor then performd a QC routine to locate elements in the digital files containing a zero elevation value. The team leader conductd a review of the work performed by the designated technician at least once per shift to verify that production satisfied the requirements of the scope of work. The team leader conducted an independent review of the corrected dataset prior to the start-up of conversion to ESRI GeoDatabase format. The data layers were further processed to remove added coding or labeling necessary to create the GeoDatabase deliverable. The CAD files were converted to ESRI personal GeoDatabase format. The datasets were tested to verify that the conversion routine to produce the final GeoDatabase format correctly converted all layers of the digital files. The photogrammetric team leader reviewed the results. Pertinent dates and additional information were assembled for the preparation of the required metadata. Based on database design requirements, ArcInfo automated routines were used to make certain of topologically correct data. The routines validated level representation and symbology, intersection processing, closed polygonal features, and closed road edges (where appropriate), as well as cleaning and building the final GeoDatabase. County staff inspectd the planimetric mapping and marked changes and/or omissions on digital files. The editor then completed marked corrections and return a corrected set of digital files to the County. Southeastern quadrant only</stepDesc>
                <stepSrc type="used">
                    <srcCitatn>
                        <resAltTitle>PLAN3</resAltTitle>
                    </srcCitatn>
                </stepSrc>
                <stepSrc type="produced">
                    <srcCitatn>
                        <resAltTitle>PLAN4</resAltTitle>
                    </srcCitatn>
                </stepSrc>
            </prcStep>
            <prcStep>
                <stepDesc>Step 1. The project was setup on softcopy photogrammetry workstations by the photogrammetric technician who created a separate project directory for the Fairfax County. The 2D planimetric data sets were first draped over the 2007 DTM surface and reviewed. If the surface does not yield accurate results, the surface should be draped over the newly created DTM surface so that the 3D element is reintroduced and the data is viewable in the SSK stereo environment. The technician will load the existing stereo pairs from the 2009 aerial photography. In orienting the models, the technician will select the project area he/she wants to start with and import the necessary imagery to the workstation. Relative and absolute orientation will be achieved by importing the orientation parameters from the customer supplied AT results. The software will import the stereopair and orient the workstation automatically. At this point, stereo model orientation is complete.</stepDesc>
                <stepSrc type="used">
                    <srcCitatn>
                        <resAltTitle>PLAN2</resAltTitle>
                    </srcCitatn>
                </stepSrc>
                <stepSrc type="produced">
                    <srcCitatn>
                        <resAltTitle>PLAN3</resAltTitle>
                    </srcCitatn>
                </stepSrc>
            </prcStep>
            <prcStep>
                <stepDesc>Step 3. Prior to the initiation of compilation, a data capture matrix was setup in MicroStation on the softcopy photogrammetric and data edit stations by the photogrammetric and edit team members who were assigned to the project. The setup of the project was based on the specifications set forth by Fairfax County. The SSK systems were programmed to support writing data to specific layers of the MicroStation design file.</stepDesc>
                <stepSrc type="produced">
                    <srcCitatn>
                        <resAltTitle>PLAN5</resAltTitle>
                    </srcCitatn>
                </stepSrc>
            </prcStep>
            <dataSource>
                <srcDesc>Planimetric features in a DGN format</srcDesc>
                <srcScale>
                    <rfDenom>1200</rfDenom>
                </srcScale>
                <srcCitatn>
                    <resTitle>Planimetric features in file (SW Quadrant)</resTitle>
                    <resAltTitle>PLAN7</resAltTitle>
                    <date>
                        <pubDate>2013-01-01</pubDate>
                    </date>
                    <citRespParty>
                        <rpOrgName>Infotech, Inc.</rpOrgName>
                        <role>
                            <RoleCd value="006"/>
                        </role>
                    </citRespParty>
                </srcCitatn>
                <srcExt>
                    <exDesc>publication date</exDesc>
                    <tempEle>
                        <TempExtent>
                            <exTemp>
                                <TM_Instant>
                                    <tmPosition>2013-01-01</tmPosition>
                                </TM_Instant>
                            </exTemp>
                        </TempExtent>
                    </tempEle>
                </srcExt>
            </dataSource>
            <dataSource>
                <srcDesc>The location of the planimetric features.</srcDesc>
                <srcScale>
                    <rfDenom>1200</rfDenom>
                </srcScale>
                <srcCitatn>
                    <resTitle>Planimetric features in file</resTitle>
                    <resAltTitle>PLAN3</resAltTitle>
                    <date>
                        <pubDate>1997-01-01</pubDate>
                    </date>
                    <citRespParty>
                        <rpOrgName>Analytical Surveys, Inc. and Landata</rpOrgName>
                        <role>
                            <RoleCd value="006"/>
                        </role>
                    </citRespParty>
                </srcCitatn>
                <srcExt>
                    <exDesc>publication date</exDesc>
                    <tempEle>
                        <TempExtent>
                            <exTemp>
                                <TM_Instant>
                                    <tmPosition>1997-01-01</tmPosition>
                                </TM_Instant>
                            </exTemp>
                        </TempExtent>
                    </tempEle>
                </srcExt>
            </dataSource>
            <dataSource>
                <srcDesc>The location of the planimetric features.</srcDesc>
                <srcMedName>
                    <MedNameCd value="029"/>
                </srcMedName>
                <srcScale>
                    <rfDenom>1200</rfDenom>
                </srcScale>
                <srcCitatn>
                    <resTitle>Model</resTitle>
                    <resAltTitle>PLAN1</resAltTitle>
                    <date>
                        <pubDate>2007-01-01</pubDate>
                    </date>
                    <citRespParty>
                        <rpOrgName>Sanborn</rpOrgName>
                        <role>
                            <RoleCd value="006"/>
                        </role>
                    </citRespParty>
                    <citRespParty>
                        <rpOrgName>Fairfax County Government</rpOrgName>
                        <rpCntInfo>
                            <cntAddress>
                                <delPoint>Fairfax County, Virginia, USA</delPoint>
                            </cntAddress>
                        </rpCntInfo>
                        <role>
                            <RoleCd value="010"/>
                        </role>
                    </citRespParty>
                </srcCitatn>
                <srcExt>
                    <exDesc>source photography data (2007)</exDesc>
                    <tempEle>
                        <TempExtent>
                            <exTemp>
                                <TM_Instant>
                                    <tmPosition>2007-01-01</tmPosition>
                                </TM_Instant>
                            </exTemp>
                        </TempExtent>
                    </tempEle>
                </srcExt>
            </dataSource>
            <dataSource>
                <srcDesc>Planimetric features in a DGN format</srcDesc>
                <srcScale>
                    <rfDenom>7920</rfDenom>
                </srcScale>
                <srcCitatn>
                    <resTitle>Planimetric features in file</resTitle>
                    <resAltTitle>PLAN4</resAltTitle>
                    <date>
                        <pubDate>2009-01-01</pubDate>
                    </date>
                    <citRespParty>
                        <rpOrgName>Fugro EarthData, Inc.</rpOrgName>
                        <role>
                            <RoleCd value="006"/>
                        </role>
                    </citRespParty>
                </srcCitatn>
                <srcExt>
                    <exDesc>publication date</exDesc>
                    <tempEle>
                        <TempExtent>
                            <exTemp>
                                <TM_Instant>
                                    <tmPosition>2010-01-01</tmPosition>
                                </TM_Instant>
                            </exTemp>
                        </TempExtent>
                    </tempEle>
                </srcExt>
            </dataSource>
            <dataSource>
                <srcDesc>The location of the planimetric features.</srcDesc>
                <srcMedName>
                    <MedNameCd value="029"/>
                </srcMedName>
                <srcScale>
                    <rfDenom>1200</rfDenom>
                </srcScale>
                <srcCitatn>
                    <resTitle>Model</resTitle>
                    <resAltTitle>PLAN2</resAltTitle>
                    <date>
                        <pubDate>2009-01-01</pubDate>
                    </date>
                    <citRespParty>
                        <rpOrgName>Fairfax County Government</rpOrgName>
                        <rpCntInfo>
                            <cntAddress>
                                <delPoint>Fairfax County, Virginia, USA</delPoint>
                            </cntAddress>
                        </rpCntInfo>
                        <role>
                            <RoleCd value="010"/>
                        </role>
                    </citRespParty>
                    <citRespParty>
                        <rpOrgName>Sanborn</rpOrgName>
                        <role>
                            <RoleCd value="006"/>
                        </role>
                    </citRespParty>
                </srcCitatn>
                <srcExt>
                    <exDesc>source photography data (2009)</exDesc>
                    <tempEle>
                        <TempExtent>
                            <exTemp>
                                <TM_Instant>
                                    <tmPosition>2009-01-01</tmPosition>
                                </TM_Instant>
                            </exTemp>
                        </TempExtent>
                    </tempEle>
                </srcExt>
            </dataSource>
            <dataSource>
                <srcDesc>Planimetric features in a DGN format</srcDesc>
                <srcScale>
                    <rfDenom>1200</rfDenom>
                </srcScale>
                <srcCitatn>
                    <resTitle>Planimetric features in file (NW Quadrant)</resTitle>
                    <resAltTitle>PLAN6</resAltTitle>
                    <date>
                        <pubDate>2012-01-01</pubDate>
                    </date>
                    <citRespParty>
                        <rpOrgName>Infotech, Inc.</rpOrgName>
                        <role>
                            <RoleCd value="006"/>
                        </role>
                    </citRespParty>
                </srcCitatn>
                <srcExt>
                    <exDesc>publication date</exDesc>
                    <tempEle>
                        <TempExtent>
                            <exTemp>
                                <TM_Instant>
                                    <tmPosition>2012-01-01</tmPosition>
                                </TM_Instant>
                            </exTemp>
                        </TempExtent>
                    </tempEle>
                </srcExt>
            </dataSource>
            <dataSource>
                <srcDesc>Planimetric features in a DGN format</srcDesc>
                <srcScale>
                    <rfDenom>1200</rfDenom>
                </srcScale>
                <srcCitatn>
                    <resTitle>Planimetric features in file</resTitle>
                    <resAltTitle>PLAN5</resAltTitle>
                    <date>
                        <pubDate>2011-01-01</pubDate>
                    </date>
                    <citRespParty>
                        <rpOrgName>Infotech, Inc.</rpOrgName>
                        <role>
                            <RoleCd value="006"/>
                        </role>
                    </citRespParty>
                </srcCitatn>
                <srcExt>
                    <exDesc>publication date</exDesc>
                    <tempEle>
                        <TempExtent>
                            <exTemp>
                                <TM_Instant>
                                    <tmPosition>2010-01-01</tmPosition>
                                </TM_Instant>
                            </exTemp>
                        </TempExtent>
                    </tempEle>
                </srcExt>
            </dataSource>
            <dataSource>
                <srcDesc>Planimetric features in a DGN format</srcDesc>
                <srcScale>
                    <rfDenom>1200</rfDenom>
                </srcScale>
                <srcCitatn>
                    <resTitle>Planimetric features in file (SE Quadrant update)</resTitle>
                    <resAltTitle>PLAN8</resAltTitle>
                    <date>
                        <pubDate>2013-01-01</pubDate>
                    </date>
                    <citRespParty>
                        <rpOrgName>Infotech, Inc.</rpOrgName>
                        <role>
                            <RoleCd value="006"/>
                        </role>
                    </citRespParty>
                </srcCitatn>
                <srcExt>
                    <exDesc>publication date</exDesc>
                    <tempEle>
                        <TempExtent>
                            <exTemp>
                                <TM_Instant>
                                    <tmPosition>2013-01-01</tmPosition>
                                </TM_Instant>
                            </exTemp>
                        </TempExtent>
                    </tempEle>
                </srcExt>
            </dataSource>
        </dataLineage>
    </dqInfo>
    <spatRepInfo>
        <Indref>Hydrography Areas</Indref>
        <VectSpatRep>
            <geometObjs Name="HYDRO_AREAS">
                <geoObjTyp>
                    <GeoObjTypCd Sync="TRUE" value="002"/>
                </geoObjTyp>
                <geoObjCnt Sync="TRUE">12861</geoObjCnt>
            </geometObjs>
            <topLvl>
                <TopoLevCd Sync="TRUE" value="001"/>
            </topLvl>
        </VectSpatRep>
    </spatRepInfo>
    <eainfo>
        <detailed Name="HYDRO_AREAS">
            <enttyp>
                <enttypl Sync="FALSE">HYDRO_AREAS</enttypl>
                <enttypd>hydro polygons</enttypd>
                <enttypds>2009 polygon hydro data</enttypds>
                <enttypt Sync="TRUE">Feature Class</enttypt>
                <enttypc Sync="TRUE">12861</enttypc>
            </enttyp>
            <attr>
                <attrlabl>SOURCE</attrlabl>
                <attrdef>Planimetric Source</attrdef>
                <attrdefs>Planimetric Source</attrdefs>
                <attrdomv>
                    <edom>
                        <edomv>ORTHO1997</edomv>
                        <edomvd>1997 Orthophotography</edomvd>
                    </edom>
                </attrdomv>
                <begdatea>2009</begdatea>
                <attrvai>
                    <attrva>0</attrva>
                    <attrvae>None</attrvae>
                </attrvai>
                <attrmfrq>Unknown</attrmfrq>
                <attrdomv>
                    <edom>
                        <edomv>ORTHO2002</edomv>
                        <edomvd>2002 Orthophotography</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>SITEPLAN</edomv>
                        <edomvd>Site Plan</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>ORTHO2003</edomv>
                        <edomvd>2003 Orthophotography</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>ORTHO2004</edomv>
                        <edomvd>2004 Orthophotography</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>SITEPLAN UPDATE</edomv>
                        <edomvd>Update of existing features by siteplan</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>ORTHO2005</edomv>
                        <edomvd>2005 Orthophotography</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>STEREO MODELS 2007</edomv>
                        <edomvd>2007 Stereo Models</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>STEREO MODELS 2009</edomv>
                        <edomvd>2009 Stereo Models</edomvd>
                    </edom>
                </attrdomv>
                <attalias Sync="TRUE">Source</attalias>
                <attrtype Sync="TRUE">String</attrtype>
                <attwidth Sync="TRUE">20</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl>TYPE</attrlabl>
                <attrdef>hydro type</attrdef>
                <attrdefs>Fairfax County</attrdefs>
                <attrdomv>
                    <edom>
                        <edomv>DAM</edomv>
                        <edomvd>Dam</edomvd>
                    </edom>
                </attrdomv>
                <begdatea>2011</begdatea>
                <attrvai>
                    <attrva>0</attrva>
                    <attrvae>none</attrvae>
                </attrvai>
                <attrmfrq>Unknown</attrmfrq>
                <attrdomv>
                    <edom>
                        <edomv>LAKE</edomv>
                        <edomvd>Lake</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>PAVED DITCH</edomv>
                        <edomvd>Paved Ditch</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>POND</edomv>
                        <edomvd>Pond</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>RIVER</edomv>
                        <edomvd>River</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>STREAM</edomv>
                        <edomvd>Stream</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>SWAMP</edomv>
                        <edomvd>Swamp</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>VEGETATIVE CHANNEL</edomv>
                        <edomvd>Vegetative Channel</edomvd>
                    </edom>
                </attrdomv>
                <attrdomv>
                    <edom>
                        <edomv>HIDDEN EDGE</edomv>
                        <edomvd>Hidden Edge (for edges only)</edomvd>
                    </edom>
                </attrdomv>
                <attalias Sync="TRUE">Type</attalias>
                <attrtype Sync="TRUE">String</attrtype>
                <attwidth Sync="TRUE">20</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl>NAME</attrlabl>
                <attrdef>name of hydro</attrdef>
                <attrdefs>Fairfax County</attrdefs>
                <attrdomv>
                    <udom>hydro type</udom>
                </attrdomv>
                <begdatea>2011</begdatea>
                <attrvai>
                    <attrva>0</attrva>
                    <attrvae>none</attrvae>
                </attrvai>
                <attrmfrq>Unknown</attrmfrq>
                <attalias Sync="TRUE">Name</attalias>
                <attrtype Sync="TRUE">String</attrtype>
                <attwidth Sync="TRUE">50</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl>SHAPE</attrlabl>
                <attrdef>Feature geometry.</attrdef>
                <attrdefs>ESRI</attrdefs>
                <attrdomv>
                    <udom>Coordinates defining the features.</udom>
                </attrdomv>
                <begdatea>2011</begdatea>
                <attrvai>
                    <attrva>0</attrva>
                    <attrvae>none</attrvae>
                </attrvai>
                <attrmfrq>Unknown</attrmfrq>
                <attalias Sync="TRUE">SHAPE</attalias>
                <attrtype Sync="TRUE">Geometry</attrtype>
                <attwidth Sync="TRUE">4</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl>OBJECTID</attrlabl>
                <attrdef>Internal feature number.</attrdef>
                <attrdefs>ESRI</attrdefs>
                <attrdomv>
                    <udom>Sequential unique whole numbers that are automatically generated.</udom>
                </attrdomv>
                <begdatea>2011</begdatea>
                <attrvai>
                    <attrva>0</attrva>
                    <attrvae>None</attrvae>
                </attrvai>
                <attrmfrq>Unknown</attrmfrq>
                <attalias Sync="TRUE">OBJECTID</attalias>
                <attrtype Sync="TRUE">OID</attrtype>
                <attwidth Sync="TRUE">4</attwidth>
                <atprecis Sync="TRUE">10</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl>VISIBLE</attrlabl>
                <attrdef>visible or hidden hydro</attrdef>
                <attrdefs>Fairfax County</attrdefs>
                <attrdomv>
                    <edom>
                        <edomv>Y</edomv>
                        <edomvd>Yes</edomvd>
                    </edom>
                </attrdomv>
                <begdatea>2011</begdatea>
                <attrvai>
                    <attrva>0</attrva>
                    <attrvae>none</attrvae>
                </attrvai>
                <attrmfrq>Unknown</attrmfrq>
                <attrdomv>
                    <edom>
                        <edomv>N</edomv>
                        <edomvd>No</edomvd>
                    </edom>
                </attrdomv>
                <attalias Sync="TRUE">Visible</attalias>
                <attrtype Sync="TRUE">String</attrtype>
                <attwidth Sync="TRUE">1</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl>QUAD_NAME</attrlabl>
                <attrdef>The quad of the County where the data is located</attrdef>
                <attrdefs>Fairfax County</attrdefs>
                <begdatea>2011</begdatea>
                <attalias Sync="TRUE">Quad Name</attalias>
                <attrtype Sync="TRUE">String</attrtype>
                <attwidth Sync="TRUE">10</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl>EFFECTIVE_DATE</attrlabl>
                <attrdef>date data valid</attrdef>
                <attrdefs>Fairfax County</attrdefs>
                <attrdomv>
                    <udom>date data valid</udom>
                </attrdomv>
                <begdatea>2011</begdatea>
                <attrvai>
                    <attrva>0</attrva>
                    <attrvae>none</attrvae>
                </attrvai>
                <attrmfrq>Unknown</attrmfrq>
                <attalias Sync="TRUE">Effective Date</attalias>
                <attrtype Sync="TRUE">Date</attrtype>
                <attwidth Sync="TRUE">8</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl Sync="TRUE">HYDRO_AREAS_CM_LABEL</attrlabl>
                <attalias Sync="TRUE">Community Maps Label</attalias>
                <attrtype Sync="TRUE">String</attrtype>
                <attwidth Sync="TRUE">50</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl Sync="TRUE">HYDRO_AREAS_CM_TYPE</attrlabl>
                <attalias Sync="TRUE">Community Maps Type</attalias>
                <attrtype Sync="TRUE">String</attrtype>
                <attwidth Sync="TRUE">50</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl>EXPIRY_DATE</attrlabl>
                <attrdef>expiry date</attrdef>
                <attrdefs>Fairfax County</attrdefs>
                <attrdomv>
                    <udom>unknown</udom>
                </attrdomv>
                <begdatea>2011</begdatea>
                <attrvai>
                    <attrva>0</attrva>
                    <attrvae>none</attrvae>
                </attrvai>
                <attrmfrq>Unknown</attrmfrq>
                <attalias Sync="TRUE">Expiry Date</attalias>
                <attrtype Sync="TRUE">Date</attrtype>
                <attwidth Sync="TRUE">8</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl Sync="TRUE">created_user</attrlabl>
                <attalias Sync="TRUE">created_user</attalias>
                <attrtype Sync="TRUE">String</attrtype>
                <attwidth Sync="TRUE">255</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl Sync="TRUE">created_date</attrlabl>
                <attalias Sync="TRUE">created_date</attalias>
                <attrtype Sync="TRUE">Date</attrtype>
                <attwidth Sync="TRUE">8</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl Sync="TRUE">last_edited_user</attrlabl>
                <attalias Sync="TRUE">last_edited_user</attalias>
                <attrtype Sync="TRUE">String</attrtype>
                <attwidth Sync="TRUE">255</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl Sync="TRUE">last_edited_date</attrlabl>
                <attalias Sync="TRUE">last_edited_date</attalias>
                <attrtype Sync="TRUE">Date</attrtype>
                <attwidth Sync="TRUE">8</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl Sync="TRUE">GlobalID</attrlabl>
                <attalias Sync="TRUE">GlobalID</attalias>
                <attrtype Sync="TRUE">GlobalID</attrtype>
                <attwidth Sync="TRUE">38</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl Sync="TRUE">SHAPE.STArea()</attrlabl>
                <attalias Sync="TRUE">SHAPE.STArea()</attalias>
                <attrtype Sync="TRUE">Double</attrtype>
                <attwidth Sync="TRUE">0</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
            <attr>
                <attrlabl Sync="TRUE">SHAPE.STLength()</attrlabl>
                <attalias Sync="TRUE">SHAPE.STLength()</attalias>
                <attrtype Sync="TRUE">Double</attrtype>
                <attwidth Sync="TRUE">0</attwidth>
                <atprecis Sync="TRUE">0</atprecis>
                <attscale Sync="TRUE">0</attscale>
            </attr>
        </detailed>
        <overview>
            <eaover>hydrography</eaover>
            <eadetcit>polygon hydrography covering Fairfax County.</eadetcit>
        </overview>
    </eainfo>
    <mdHrLvName Sync="TRUE">dataset</mdHrLvName>
    <refSysInfo>
        <RefSystem>
            <refSysID>
                <identCode Sync="TRUE" code="2283"/>
                <idCodeSpace Sync="TRUE">EPSG</idCodeSpace>
                <idVersion Sync="TRUE">5.3(9.0.0)</idVersion>
            </refSysID>
        </RefSystem>
    </refSysInfo>
    <spdoinfo>
        <ptvctinf>
            <esriterm Name="HYDRO_AREAS">
                <efeatyp Sync="TRUE">Simple</efeatyp>
                <efeageom Sync="TRUE" code="4"/>
                <esritopo Sync="TRUE">FALSE</esritopo>
                <efeacnt Sync="TRUE">12861</efeacnt>
                <spindex Sync="TRUE">TRUE</spindex>
                <linrefer Sync="TRUE">FALSE</linrefer>
            </esriterm>
        </ptvctinf>
    </spdoinfo>
    <mdDateSt Sync="TRUE">20250323</mdDateSt>
    <Binary>
        <Thumbnail>
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