Layer Estimates:

Layer: Essex_Contaminated_Sites (ID:0)
Count: 1190
Extent:

XMin: -8278529.69653156
YMin: 4966420.18990342
XMax: -8250794.04794847
YMax: 4996404.90536473
Spatial Reference: 102100 (3857)

Layer: Essex_RailRoads (ID:1)
Count: 588
Extent:

XMin: -8275366.66838012
YMin: 4966189.54169217
XMax: -8250575.10974484
YMax: 4993820.42375888
Spatial Reference: 102100 (3857)

Layer: Essex_Water_LineFeatures (ID:2)
Count: 901
Extent:

XMin: -8279704.83620416
YMin: 4964482.74826754
XMax: -8250064.85217719
YMax: 4998925.02256036
Spatial Reference: 102100 (3857)

Layer: Essex_Census_Blockgroups (ID:3)
Count: 703
Extent:

XMin: -8279704.83620416
YMin: 4964482.74826754
XMax: -8250064.85217719
YMax: 4998925.02256036
Spatial Reference: 102100 (3857)

Layer: Essex_Census_Blocks (ID:4)
Count: 7973
Extent:

XMin: -8279704.83620416
YMin: 4964482.74826754
XMax: -8250064.85217719
YMax: 4998925.02256036
Spatial Reference: 102100 (3857)

Layer: Essex_Census_Tracts (ID:5)
Count: 212
Extent:

XMin: -8279704.83620416
YMin: 4964482.74826754
XMax: -8250064.85217719
YMax: 4998925.02256036
Spatial Reference: 102100 (3857)

Layer: Essex_Municipalities (ID:6)
Count: 22
Extent:

XMin: -8279704.83620416
YMin: 4964482.74826754
XMax: -8250064.85217719
YMax: 4998925.02256036
Spatial Reference: 102100 (3857)

Layer: Essex_VotingDistricts (ID:7)
Count: 587
Extent:

XMin: -8279704.83620416
YMin: 4964482.74826754
XMax: -8250064.85217719
YMax: 4998925.02256036
Spatial Reference: 102100 (3857)

Layer: Essex_Water_PolygonFeatures (ID:8)
Count: 35
Extent:

XMin: -8278334.41182687
YMin: 4964482.74826754
XMax: -8250093.39953739
YMax: 4992462.38655785
Spatial Reference: 102100 (3857)