Layer Estimates:

Layer: HUC (ID:0)
Count: 9
Extent:

XMin: 331330.309383199
YMin: 450117.417650923
XMax: 979399.784448817
YMax: 1164568.93208662
Spatial Reference: 2992 (2992)

Layer: County_Boundaries (ID:1)
Count: 1
Extent:

XMin: 347913.997047246
YMin: 620278.436351702
XMax: 979397.622375324
YMax: 942151.86942257
Spatial Reference: 2992 (2992)

Layer: NHD (ID:2)
Count: 378621
Extent:

XMin: 321499.367856453
YMin: 474596.814214233
XMax: 982354.078157684
YMax: 1170940.5302411
Spatial Reference: 2992 (2992)