Layer Estimates:

Layer: Challenger Deep (ID:0)
Count: 1
Extent:

XMin: 15873245.8882
YMin: 1274459.415
XMax: 15873245.8882
YMax: 1274459.415
Spatial Reference: 102100 (3857)

Layer: Mariana Trench (ID:1)
Count: 1
Extent:

XMin: 16422856.7855
YMin: 1700280.545
XMax: 16422856.7855
YMax: 1700280.545
Spatial Reference: 102100 (3857)