Layer Estimates:

Layer: SomervilleCityLimits (ID:0)
Count: 1
Extent:

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

Layer: CensusTractsinSomerv_Project (ID:1)
Count: 25
Extent:

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