Layer Estimates:

Layer: Census Tracts (ID:0)
Count: 25
Extent:

XMin: -7918691.68740416
YMin: 5216946.88991279
XMax: -7911741.93816359
YMax: 5223829.49291483
Spatial Reference: 102100 (3857)

Layer: Percentage Population that Speaks Languages other than English (ID:1)
Count: 38
Extent:

XMin: -7918650.26409999
YMin: 5216950.25206105
XMax: -7911765.95980657
YMax: 5223807.89577209
Spatial Reference: 102100 (3857)

Layer: Somerville City Limits (ID:2)
Count: 1
Extent:

XMin: -7918691.67295584
YMin: 5216949.34041904
XMax: -7911732.11828736
YMax: 5223826.11231645
Spatial Reference: 102100 (3857)