Layer Estimates:

Layer: Historic Organizing Boston (ID:10)
Count: 33
Extent:

XMin: -7917409.31690003
YMin: 5203052.17543437
XMax: -7904543.34405219
YMax: 5219302.19144981
Spatial Reference: 102100 (3857)

Layer: HistoricFactoriesEastBoston (ID:8)
Count: 20
Extent:

XMin: -7908551.74384652
YMin: 5215615.39525854
XMax: -7906333.91807817
YMax: 5218701.8718249
Spatial Reference: 102100 (3857)

Layer: Historic Repressive Spaces (ID:9)
Count: 11
Extent:

XMin: -7911736.69823475
YMin: 5213419.07352916
XMax: -7899515.22814108
YMax: 5217209.34123454
Spatial Reference: 102100 (3857)