Layer Estimates:

Layer: U.S. State Boundaries (ID:0)
Count: 56
Extent:

XMin: -19951913.2278142
YMin: -1643352.81990282
XMax: 20021888.1031471
YMax: 11554793.5711474
Spatial Reference: 102100 (3857)

Layer: National Parks (ID:1)
Count: 13
Extent:

XMin: -12604516.381
YMin: 4413538.9642
XMax: -12060499.248
YMax: 5112397.3812
Spatial Reference: 102100 (3857)

Layer: National Forests & Grasslands (ID:2)
Count: 7
Extent:

XMin: -12830500.1869
YMin: 4469325.6875
XMax: -12125384.0817
YMax: 5583036.75
Spatial Reference: 102100 (3857)