Layer Estimates:

Layer: Nation (ID:0)
Count: 1
Extent:

XMin: -19942767.0256
YMin: 2023891.5042
XMax: 20012846.0377
YMax: 11528300.4769
Spatial Reference: 102100 (3857)

Layer: Combined Statistical Area (ID:1)
Count: 175
Extent:

XMin: -13808291.9543
YMin: 2017836.6754
XMax: -7282822.1026
YMax: 6274987.503
Spatial Reference: 102100 (3857)

Layer: Core Based Statistical Area (ID:2)
Count: 939
Extent:

XMin: -19864251.3047
YMin: 2017836.6754
XMax: -7282822.1026
YMax: 9728858.779
Spatial Reference: 102100 (3857)

Layer: Metropolitan Division (ID:3)
Count: 31
Extent:

XMin: -13711648.9616
YMin: 2892633.5919
XMax: -7828267.3776
YMax: 6156742.0018
Spatial Reference: 102100 (3857)