Layer Estimates:

Layer: MedExpress (ID:0)
Count: 15
Extent:

XMin: -8930451.5698
YMin: 4911165.5321
XMax: -8877875.4687
YMax: 4955439.3864
Spatial Reference: 102100 (3857)

Layer: Streets (ID:1)
Count: 92430
Extent:

XMin: -8945447.3131176
YMin: 4894426.9917241
XMax: -8871326.65047336
YMax: 4964404.80438947
Spatial Reference: 102100 (3857)

Layer: Rivers (ID:2)
Count: 36
Extent:

XMin: -8938103.6739
YMin: 4894225.1504
XMax: -8870912.6568
YMax: 4963751.6701
Spatial Reference: 102100 (3857)

Layer: Municipalities (ID:3)
Count: 130
Extent:

XMin: -8945731.8442
YMin: 4894225.1503
XMax: -8870912.6569
YMax: 4964513.4174
Spatial Reference: 102100 (3857)

Layer: Parks (ID:4)
Count: 397
Extent:

XMin: -8940662.00005926
YMin: 4893189.06507027
XMax: -8869930.92381931
YMax: 4963622.60583211
Spatial Reference: 102100 (3857)

Layer: AlleghenyCounty (ID:5)
Count: 1
Extent:

XMin: -8945731.8442
YMin: 4894225.1503
XMax: -8870912.6569
YMax: 4964513.4174
Spatial Reference: 102100 (3857)

Layer: AllCoTracts (ID:6)
Count: 402
Extent:

XMin: -8945731.8442
YMin: 4894225.1503
XMax: -8870912.6569
YMax: 4964513.4174
Spatial Reference: 102100 (3857)