Layer Estimates:

Layer: Boston_Robberies (ID:0)
Count: 742
Extent:

XMin: -7922986.75734546
YMin: 5197186.15881327
XMax: -7904146.71276514
YMax: 5218935.75147108
Spatial Reference: 102100 (3857)

Layer: BPD_Districts (ID:1)
Count: 12
Extent:

XMin: -7924927.5717974
YMin: 5195177.21351383
XMax: -7898447.43484017
YMax: 5220625.78264367
Spatial Reference: 102100 (3857)