Layer Estimates:

Layer: Sites (ID:0)
Count: 8
Extent:

XMin: -10783599.9457259
YMin: 3906280.58436403
XMax: -10775987.0901037
YMax: 3924478.97791319
Spatial Reference: 102100 (3857)
Vertical Spatial Reference: 105790 (3855)

Layer: Mask (ID:1)
Count: 9
Extent:

XMin: -10973602.9932159
YMin: 3735118.77555252
XMax: -10668062.9170679
YMax: 4027877.71807611
Spatial Reference: 102100 (3857)
Vertical Spatial Reference: 105790 (3855)