Layer Estimates:

Layer: Non-Interstate Children's Hospitals (ID:0)
Count: 18
Extent:

XMin: -13327635.0902063
YMin: 2967098.93477227
XMax: -8921240.28019289
YMax: 4086573.65709913
Spatial Reference: 102100 (3857)

Layer: Children's Hospitals (ID:1)
Count: 217
Extent:

XMin: -17570132.5360061
YMin: 2427676.74689378
XMax: -7823037.66732413
YMax: 8669201.68947867
Spatial Reference: 102100 (3857)

Layer: Combined Statistical Areas (ID:2)
Count: 121
Extent:

XMin: -19864252.2444812
YMin: 2415651.94936268
XMax: -7755043.87548893
YMax: 9218345.48509741
Spatial Reference: 102100 (3857)

Layer: US States (ID:3)
Count: 56
Extent:

XMin: -19942768.5721895
YMin: -1637244.49957747
XMax: 20012846.3640119
YMax: 11528304.8215106
Spatial Reference: 102100 (3857)

Layer: ISMSAStats (ID:4)
Count: 1

Layer: SBDistances (ID:5)
Count: 217