Layer Estimates:

Layer: LEED Buildings (ID:0)
Count: 1426
Extent:

XMin: -7982767.86980563
YMin: 5118097.20600452
XMax: -7859355.95746247
YMax: 5290380.38863155
Spatial Reference: 102100 (3857)

Layer: Universities (ID:1)
Count: 87
Extent:

XMin: -7966884.5181136
YMin: 5154762.12671522
XMax: -7869604.88588501
YMax: 5281201.70384268
Spatial Reference: 102100 (3857)

Layer: Hospitals (ID:2)
Count: 67
Extent:

XMin: -7965484.55104711
YMin: 5124446.21423607
XMax: -7862827.16271497
YMax: 5289148.55156409
Spatial Reference: 102100 (3857)

Layer: Census Tracts (ID:7)
Count: 1040
Extent:

XMin: -8003859.67939748
YMin: 5103559.67321449
XMax: -7849097.24402062
YMax: 5294988.48332227
Spatial Reference: 102100 (3857)

Layer: Greater Boston Area (ID:8)
Count: 147
Extent:

XMin: -8003859.67939684
YMin: 5103559.67321449
XMax: -7849097.24402221
YMax: 5294988.48318552
Spatial Reference: 102100 (3857)