Layer Estimates:

Layer: Population Density (ID:0)
Count: 56
Extent:

XMin: -12918627.1292086
YMin: 5521044.22961399
XMax: -11581583.8646998
YMax: 6275097.25129149
Spatial Reference: 102100 (3857)

Layer: Political Boundaries (Area) (ID:1)
Count: 1832
Extent:

XMin: -20037507.0671618
YMin: -551064.81830105
XMax: 20037507.0671618
YMax: 30240971.9583861
Spatial Reference: 102100 (3857)

Layer: National Parks (ID:2)
Count: 8
Extent:

XMin: -13083942.806
YMin: 5485962.5802
XMax: -11580371.1287
YMax: 6275048.6398
Spatial Reference: 102100 (3857)

Layer: National Forests (ID:3)
Count: 114
Extent:

XMin: -16698777.5853343
YMin: 2041497.13068304
XMax: -7313653.80968282
YMax: 8745977.14848848
Spatial Reference: 102100 (3857)