Layer Estimates:

Layer: Transit Stations (ID:1)
Count: 7
Extent:

XMin: -7917303.70671728
YMin: 5217682.25245181
XMax: -7912264.07204081
YMax: 5221021.68626226
Spatial Reference: 102100 (3857)

Layer: Rapid Transit Lines (ID:2)
Count: 8
Extent:

XMin: -7917922.01891039
YMin: 5217166.44694772
XMax: -7911879.86729236
YMax: 5221053.95068002
Spatial Reference: 102100 (3857)

Layer: Somerville City Boundary (ID:3)
Count: 1
Extent:

XMin: -7918683.34815352
YMin: 5216949.34014094
XMax: -7911732.13862768
YMax: 5223821.73439158
Spatial Reference: 102100 (3857)

Layer: Zoning (ID:4)
Count: 1469
Extent:

XMin: -7918691.67160544
YMin: 5216949.34014094
XMax: -7911732.11693416
YMax: 5223826.11244639
Spatial Reference: 102100 (3857)