Layer Estimates:

Layer: Trails (ID:0)
Count: 32322
Extent:

XMin: -12140519.137
YMin: 4438063.8761
XMax: -11402699.1159
YMax: 5011654.609
Spatial Reference: 102100 (3857)

Layer: Census Tracts in Middle 3rd Percentile (ID:4)
Count: 410
Extent:

XMin: -12140524.4827
YMin: 4438054.3274
XMax: -11378029.942
YMax: 5012794.9411
Spatial Reference: 102100 (3857)