Layer Estimates:

Layer: US_Hospital_Points (ID:0)
Count: 6319
Extent:

XMin: -17774435.1924837
YMin: 2216163.95753356
XMax: -7488518.13936738
YMax: 11505260.6232834
Spatial Reference: 102100 (3857)

Layer: Mass_tracts (ID:1)
Count: 1484
Extent:

XMin: -8182889.04112257
YMin: 5047622.2973522
XMax: -7784224.00460279
YMax: 5294871.28313746
Spatial Reference: 102100 (3857)

Layer: mass_boundary (ID:2)
Count: 1
Extent:

XMin: -8182889.04112257
YMin: 5047622.2973522
XMax: -7784224.00460279
YMax: 5294871.28313746
Spatial Reference: 102100 (3857)