FEMA
National Flood Hazard Layer (NFHL) & Flood Insurance Rate Map (FIRM)
*US Department of Agriculture (USDA)
National Cooperative Soil Survey
*Dozens of additional Richland County layers are available through this Federal site.US FIsh and Wildlife Service
National Wetlands Inventory (NWI):
US Fish and Wildlife Service Webpage
SC Department of Natural Resources (SC DNR)
SC GIS Data Clearinghouse
Data Downloads & Data Services
USGS National Map Viewer
University of South Carolia
Data Derived From/Maintained by State & Federal Agencies