Layer Estimates:

Layer: gschools (ID:3)
Count: 208392
Extent:

XMin: -19017172.4471372
YMin: -1615902.18425405
XMax: 18672422.1623822
YMax: 9574794.48128911
Spatial Reference: 102100 (3857)

Layer: highways (ID:2)
Count: 136832
Extent:

XMin: -18540984.7683099
YMin: 2161775.30289056
XMax: -7456142.98054048
YMax: 11504142.3526569
Spatial Reference: 102100 (3857)

Layer: states (ID:0)
Count: 51
Extent:

XMin: -19839092.3042881
YMin: 2145729.67991779
XMax: -7454985.14651674
YMax: 11542624.9160411
Spatial Reference: 102100 (3857)