Layer Estimates:

Layer: Sheet Footprint (ID:1)
Count: 57
Extent:

XMin: -13444592.5311
YMin: 4414666.9764
XMax: -13323726.4019
YMax: 4468219.8291
Spatial Reference: 102100 (3857)

Layer: Low Water Line (ID:2)
Count: 16
Extent:

XMin: -13444122.6126
YMin: 4415975.5475
XMax: -13326075.6696
YMax: 4468005.3841
Spatial Reference: 102100 (3857)

Layer: High Water Line (ID:3)
Count: 23
Extent:

XMin: -13444131.2292
YMin: 4415970.7287
XMax: -13326055.9323
YMax: 4468009.8187
Spatial Reference: 102100 (3857)