Layer Estimates:

Layer: Counties (ID:0)
Count: 3233
Extent:

XMin: -19951914.9256
YMin: -1643352.0165
XMax: 20021886.4032
YMax: 11554348.2475
Spatial Reference: 102100 (3857)

Layer: Tracts (ID:1)
Count: 74133
Extent:

XMin: -19951914.9256
YMin: -1643352.0165
XMax: 20021886.4032
YMax: 11554348.2475
Spatial Reference: 102100 (3857)

Layer: American Indian/Alaska Native/Native Hawaiian Areas (ID:2)
Count: 704
Extent:

XMin: -19395861.462
YMin: 2144423.9263
XMax: -7462359.7288
YMax: 11519605.0709
Spatial Reference: 102100 (3857)