Layer Estimates:

Layer: Topographic Contour Lines (ID:0)
Count: 369202
Extent:

XMin: -14278266.5970644
YMin: 2431852.54708361
XMax: -6975390.35081297
YMax: 6872141.99084529
Spatial Reference: 102100 (3857)

Layer: Railroads (ID:1)
Count: 9330
Extent:

XMin: -16712001.8964249
YMin: 2933264.64945703
XMax: -7505991.33032153
YMax: 9588810.17077668
Spatial Reference: 102100 (3857)

Layer: Counties (ID:2)
Count: 3233
Extent:

XMin: -19942593.9161368
YMin: 1999472.44740408
XMax: 20012847.483771
YMax: 11536688.0274702
Spatial Reference: 102100 (3857)

Layer: FedLands (ID:3)
Count: 6656
Extent:

XMin: -19942593.890679
YMin: 1999679.86838528
XMax: 20012847.483713
YMax: 11485034.686506
Spatial Reference: 102100 (3857)

Layer: States (ID:4)
Count: 61
Extent:

XMin: -19942593.9162481
YMin: 1999472.44740408
XMax: 20012847.483771
YMax: 11536688.0274702
Spatial Reference: 102100 (3857)