Layer Estimates:

Layer: Dredging Drop Points (ID:0)
Count: 215
Extent:

XMin: 417872.509295044
YMin: 815247.262574855
XMax: 676476.15305963
YMax: 825329.189727273
Spatial Reference: 2108 (2108)

Layer: Dredging Areas (ID:1)
Count: 16
Extent:

XMin: 420223.7892
YMin: 819260
XMax: 421485
YMax: 821699.207036787
Spatial Reference: 2108 (2108)

Layer: Dredging Dump Grids (ID:2)
Count: 175
Extent:

XMin: 417469.000038407
YMin: 818227.699966891
XMax: 427476.100034936
YMax: 821452.000000258
Spatial Reference: 2108 (2108)