Layer Estimates:

Layer: Somerville_BlckGrpsCentroid (ID:11)
Count: 83
Extent:

XMin: -7918620.52931627
YMin: 5217066.80991698
XMax: -7912138.3815636
YMax: 5222918.78809127
Spatial Reference: 102100 (3857)

Layer: SomervilleTaxParcels (ID:13)
Count: 13413
Extent:

XMin: -7918691.6715776
YMin: 5216949.34016512
XMax: -7911732.11690628
YMax: 5223826.11247061
Spatial Reference: 102100 (3857)

Layer: SomervilleZoning (ID:14)
Count: 1469
Extent:

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

Layer: MBTA_NODE (ID:15)
Count: 170
Extent:

XMin: -7931854.19447694
YMin: 5192114.09440535
XMax: -7902721.62716657
YMax: 5226824.19885163
Spatial Reference: 102100 (3857)

Layer: MBTA_ARC (ID:16)
Count: 141
Extent:

XMin: -7931854.19447733
YMin: 5192113.92219269
XMax: -7902691.32093379
YMax: 5227052.06417982
Spatial Reference: 102100 (3857)

Layer: SomervilleCityLimits (ID:17)
Count: 1
Extent:

XMin: -7918691.67295584
YMin: 5216949.34041903
XMax: -7911732.11828738
YMax: 5223826.11231645
Spatial Reference: 102100 (3857)

Layer: Somerville_BlckGrps (ID:18)
Count: 83
Extent:

XMin: -7918691.67336132
YMin: 5216949.34041903
XMax: -7911732.118638
YMax: 5223826.04213546
Spatial Reference: 102100 (3857)

Layer: Neighborhoods (ID:19)
Count: 19
Extent:

XMin: -7918691.67160544
YMin: 5216949.34014094
XMax: -7911732.13862768
YMax: 5223821.77021308
Spatial Reference: 102100 (3857)

Layer: HHINCOME_csv (ID:44)
Count: 1176

Layer: ZonalTable_Parcel_RasterC (ID:45)
Count: 8901

Layer: ZonalSt_M274Tax4 (ID:46)
Count: 13349