Layer Estimates:

Layer: HUC8_Merrimack_PointSource_01 (ID:0)
Count: 6
Extent:

XMin: -8030878.1017
YMin: 5190617.5405
XMax: -7882171.2528
YMax: 5496294.3746
Spatial Reference: 102100 (3857)

Layer: GroupBySummary (ID:1)
Count: 6