Layer Estimates:

Layer: Campgrounds (ID:1)
Count: 601
Extent:

XMin: -9487007.63587555
YMin: 4084169.72882199
XMax: -8889431.61123198
YMax: 4514833.0932205
Spatial Reference: 102100 (3857)

Layer: Trails (ID:2)
Count: 8262
Extent:

XMin: -9585423.49457799
YMin: 4067701.13322766
XMax: -8884907.80152901
YMax: 4521465.08560654
Spatial Reference: 102100 (3857)