20201116 11504200 1.0 TRUE 10 Digit HUC Watersheds 12 – Digit Hydrologic polygon feature service representing 12 – Digit Hydrologic Unit within Chatham County, NC derived from NC Department of Environmental Quality Online GIS. This feature class is subdivided by the levels of watershed, provided by North Carolina Department of Environment and Natural Resources. Chatham County GIS, Chatham County, North Carolina Department of Environmental Quality