Layer Estimates:

Layer: Boundary (ID:0)
Count: 1
Extent:

XMin: -10605579.5317618
YMin: 3467114.24261675
XMax: -10598753.2594899
YMax: 3472816.50775952
Spatial Reference: 102100 (3857)

Layer: CensusBlockGroup (ID:1)
Count: 10
Extent:

XMin: -10611009.3327886
YMin: 3467342.00880036
XMax: -10598779.493658
YMax: 3473956.96333398
Spatial Reference: 102100 (3857)