Layer Estimates:

Layer: Towns (ID:0)
Count: 38184
Extent:

XMin: -19665486.5632231
YMin: 2003921.78618453
XMax: 19912550.5482892
YMax: 11502359.1884012
Spatial Reference: 102100 (3857)

Layer: Major Cities (ID:1)
Count: 38184
Extent:

XMin: -19665486.5632231
YMin: 2003921.78618453
XMax: 19912550.5482892
YMax: 11502359.1884012
Spatial Reference: 102100 (3857)

Layer: Population Density (ID:2)
Count: 56
Extent:

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

Layer: Political Boundaries (Area) (ID:3)
Count: 1832
Extent:

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

Layer: ACS_17.csv (ID:4)
Count: 56