Layer Estimates:

Layer: Spawning Locations Pre 1997 (ID:0)
Count: 1056
Extent:

XMin: -13379428.3517042
YMin: 6114444.93295685
XMax: -13292321.671407
YMax: 6264333.79681726
Spatial Reference: 102100 (3857)

Layer: USA National Atlas Water Feature Lines (ID:3)
Count: 112965
Extent:

XMin: -19234289.1154347
YMin: 2032821.06403358
XMax: -7278910.57701188
YMax: 11479768.2264057
Spatial Reference: 102100 (3857)