State boundaries for Oregon, Washington and Idaho derived from Census.gov TIGER/Line geodatabase.
Copyright Text: Processing: D. Popp, Human & Ecosystem Resilience & Sustainability (HERS) Lab, Oregon State University-Cascades Campus, Bend, Oregon
US Census Bureau. TIGER/Line geodatabases (2016). Census.gov. https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-geodatabase-file.2022.html#list-tab-1258746043.
1.2 Citation Information
Copyright protection is not available for any work of the United States Government (Title 17 U.S.C.,
Section 105). Thus, you are free to reproduce census materials as you see fit. We would ask, however,
that you cite the Census Bureau as the source.
1.3 Contact Information
Members of the public can obtain the TIGER/Line Shapefiles free of charge through the Census Bureau’s
website and should direct questions about these files to the Geographic Products Branch, Geography
Division, U.S. Census Bureau. If you obtain the TIGER/Line Shapefiles from a third party, we recommend
you contact that vendor for assistance.
Geographic Products Branch
Geography Division,
U.S. Census Bureau
4600 Silver Hill Road
Washington, DC 20233-7400
Office: (301) 763-1128
E-mail: geo.geography@census.gov