Layer Estimates:

Layer: parks_rec_sites (ID:0)
Count: 223
Extent:

XMin: -8377921.92957796
YMin: 4851011.30861596
XMax: -8345559.84511394
YMax: 4883809.60505271
Spatial Reference: 102100 (3857)

Layer: census_tract_philly (ID:1)
Count: 384
Extent:

XMin: -8380162
YMin: 4847283
XMax: -8344038
YMax: 4886016
Spatial Reference: 102100 (3857)

Layer: census_tracts__ExportFeature (ID:2)
Count: 3217
Extent:

XMin: -8963390
YMin: 4825309
XMax: -8314398
YMax: 5201406
Spatial Reference: 102100 (3857)