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 ServiceNational Wetlands Inventory (NWI):
US Fish and Wildlife Service Webpage
SC Department of Natural Resources (SC DNR) SC GIS Data Clearinghouse USGS National Map Viewer University of South Carolia