Layer Estimates:

Layer: Blockgroup (ID:4)
Count: 1176
Extent:

XMin: -13719640.9136189
YMin: 5665876.66520851
XMax: -13612206.0684418
YMax: 5750167.03296171
Spatial Reference: 102100 (3857)

Layer: Impervious Surface (ID:10)
Count: 6
Extent:

XMin: -13722719.6083491
YMin: 5652974.17481955
XMax: -13601449.8289242
YMax: 5758379.5413361
Spatial Reference: 102100 (3857)