Layer Estimates:

Layer: Dallas Census Block Groups (ID:0)
Count: 1012
Extent:

XMin: -10798045.8441781
YMin: 3844092.11586147
XMax: -10738287.6187777
YMax: 3898466.25374701
Spatial Reference: 102100 (3857)

Layer: City Limit (ID:3)
Count: 4
Extent:

XMin: -10798062.3623565
YMin: 3843111.30293789
XMax: -10738180.2152922
YMax: 3899421.59407761
Spatial Reference: 102100 (3857)