National Wetlands and Surface Waters
National Hydrography Dataset (NHD) – go to USGS National Map Viewer
National Wetlands Inventory (NWI) – go to USGS National Map Viewer
Historical Aerial Photographs
Map & Digital Imagery Library – University of Florida
Land Boundary Information System – Florida DEP
Rainfall Data
Florida mean annual rainfall (figure) – Electronic Data Information Source of UF/IFAS Extension
Drought Information
Florida Hazard Watch Drought Information – Florida Division of Emergency Management