Layer Estimates:

Layer: All_Block_Groups (ID:0)
Count: 60
Extent:

XMin: -7909621.2
YMin: 5213072
XMax: -7902152.4
YMax: 5223233.2
Spatial Reference: 102100 (3857)

Layer: Openspace_Chelsea_EastBoston (ID:1)
Count: 97
Extent:

XMin: -7909643.82512054
YMin: 5214736.88867498
XMax: -7902206.00263837
YMax: 5222585.71346338
Spatial Reference: 102100 (3857)

Layer: BlockGroups (ID:2)
Count: 60
Extent:

XMin: -7909621.2
YMin: 5213072
XMax: -7902152.4
YMax: 5223233.2
Spatial Reference: 102100 (3857)

Layer: Cities (ID:3)
Count: 1
Extent:

XMin: -7909621
YMin: 5213072
XMax: -7902152
YMax: 5223233
Spatial Reference: 102100 (3857)

Layer: BusStops (ID:4)
Count: 216
Extent:

XMin: -7908965.1243
YMin: 5215305.725
XMax: -7902885.0428
YMax: 5223086.5186
Spatial Reference: 102100 (3857)

Layer: comments (ID:5)
Count: 4