Layer Estimates:

Layer: MBTA_Medical (ID:0)
Count: 30
Extent:

XMin: -7996657.6017104
YMin: 5198414.91017078
XMax: -7910852.33332642
YMax: 5215592.16797387
Spatial Reference: 102100 (3857)

Layer: MBTA_Primary_Education (ID:1)
Count: 218
Extent:

XMin: -8000435.2894966
YMin: 5187867.98053723
XMax: -7906965.60845624
YMax: 5218923.66858149
Spatial Reference: 102100 (3857)

Layer: MBTA_EMS_Law (ID:2)
Count: 129
Extent:

XMin: -7998243.29784725
YMin: 5186572.45858213
XMax: -7907790.21220469
YMax: 5216294.80869487
Spatial Reference: 102100 (3857)

Layer: MBTA_Stations (ID:3)
Count: 18
Extent:

XMin: -7992232.761892
YMin: 5198003.92868976
XMax: -7909842.72843778
YMax: 5214722.49021407
Spatial Reference: 102100 (3857)

Layer: MBTA_Major_Roads (ID:4)
Count: 3890
Extent:

XMin: -8001764.15303093
YMin: 5185716.2512557
XMax: -7907118.37612579
YMax: 5221050.71727263
Spatial Reference: 102100 (3857)

Layer: MBTA (ID:5)
Count: 217
Extent:

XMin: -7992443.07753194
YMin: 5195614.29123216
XMax: -7909844.00562014
YMax: 5215105.05073515
Spatial Reference: 102100 (3857)

Layer: MBTA_Towns (ID:6)
Count: 15
Extent:

XMin: -8002176.68001562
YMin: 5182619.61124885
XMax: -7904549.36334784
YMax: 5221454.27654421
Spatial Reference: 102100 (3857)