Layer Estimates:

Layer: SSM Grid (ID:0)
Count: 16012
Extent:

XMin: 73550
YMin: 4916091.54
XMax: 583047
YMax: 5797668.41
Spatial Reference: 26910 (26910)

Layer: SSM Grid Boundary (ID:1)
Count: 1
Extent:

XMin: 73550
YMin: 4916091.54
XMax: 583047
YMax: 5797668.41
Spatial Reference: 26910 (26910)