Layer Estimates:

Layer: CensusTractsValid (ID:0)
Count: 10
Extent:

XMin: -76.1162570003602
YMin: 42.0937690000394
XMax: -75.8758570002004
YMax: 42.2598850000927
Spatial Reference: 4269 (4269)

Layer: CensusBlockGroupsValid (ID:1)
Count: 26
Extent:

XMin: -76.0966289999284
YMin: 42.0937690000394
XMax: -75.920989000442
YMax: 42.2598850000927
Spatial Reference: 4269 (4269)

Layer: CensusBlocksValid (ID:2)
Count: 185
Extent:

XMin: -76.0581489997765
YMin: 42.0959639996389
XMax: -75.9394900001633
YMax: 42.2250099998117
Spatial Reference: 4269 (4269)