Layer Estimates:

Layer: State_Parks_Campsites (ID:0)
Count: 35
Extent:

XMin: -13359254.0148303
YMin: 4177859.45134705
XMax: -12677622.7045007
YMax: 5112669.62165641
Spatial Reference: 102100 (3857)

Layer: CACampgrounds (ID:1)
Count: 516
Extent:

XMin: -13825738.0701
YMin: 3847010.1028
XMax: -12758434.5907
YMax: 5145851.7942
Spatial Reference: 102100 (3857)