Layer Estimates:

Layer: StateBoundaries_1848 (ID:0)
Count: 34
Extent:

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XMax: -7274260.27919359
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Spatial Reference: 102100 (3857)

Layer: MexicanCession (ID:1)
Count: 1
Extent:

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YMin: 3811566.5695
XMax: -11762079.6528
YMax: 5161324.0658
Spatial Reference: 102100 (3857)

Layer: MexicanCessionFinal (ID:2)
Count: 1
Extent:

XMin: -13847325.1117
YMin: 3811566.5695
XMax: -11762079.6528
YMax: 5161324.0658
Spatial Reference: 102100 (3857)

Layer: StateBoundaries1850 (ID:3)
Count: 34
Extent:

XMin: -14150943.5685037
YMin: 2632426.41480118
XMax: -7274260.27919359
YMax: 6728980.08295844
Spatial Reference: 102100 (3857)