20231010 12592300 1.0 TRUE WHD-Plus Catchments These 16 digit Hydrologic Unit Code (HUC) Watersheds are high-resolution watersheds derived from the 1:24k hydro geodatabase and the 10-meter National Elevation Dataset. Watersheds were delineated for over 160,000 streams and lakes in WI and boundary/contributing waters. WI Dept of Natural Resources, Water Division