Layer Estimates:

Layer: BlkGrp05 (ID:0)
Count: 129
Extent:

XMin: -8796107.70169079
YMin: 4281764.26429796
XMax: -8760518.92963921
YMax: 4333634.33035914
Spatial Reference: 102100 (3857)

Layer: Blocks05 (ID:1)
Count: 3824
Extent:

XMin: -8796107.70169163
YMin: 4281764.26429797
XMax: -8760518.92964354
YMax: 4333634.33035914
Spatial Reference: 102100 (3857)

Layer: Tracts05 (ID:2)
Count: 53
Extent:

XMin: -8796107.70169163
YMin: 4281764.26429651
XMax: -8760518.92964222
YMax: 4333634.33035914
Spatial Reference: 102100 (3857)