Layer Estimates:

Layer: Rock_Hazards (ID:0)
Count: 5
Extent:

XMin: -9175746.51017882
YMin: 4360253.24916538
XMax: -9163811.20551515
YMax: 4368075.78123469
Spatial Reference: 102100 (3857)

Layer: River_Channel_Buoys (ID:1)
Count: 4
Extent:

XMin: -9171319.7088427
YMin: 4355467.03251605
XMax: -9163427.15694546
YMax: 4366172.10414851
Spatial Reference: 102100 (3857)