Layer Estimates:

Layer: AK_elevationDB (ID:0)
Count: 222
Extent:

XMin: -18990518.2658
YMin: 7296502.0075
XMax: -14472010.02
YMax: 11537206.7592
Spatial Reference: 102100 (3857)

Layer: AK_imageryDB (ID:1)
Count: 2
Extent:

XMin: -18507294.2223412
YMin: 9931469.52759312
XMax: -15967435.476187
YMax: 11116437.811324
Spatial Reference: 102100 (3857)