Layer Estimates:

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

XMin: -13114214.9871
YMin: 4033648.2037
XMax: -13074165.1703
YMax: 4052972.2038
Spatial Reference: 102100 (3857)

Layer: GroupBySummary (ID:1)
Count: 164