er73g - Western Lowlands Pleistocene Valley Trains
er73k - Southern Holocene Meander Belts
er73m - Southern Backswamps
er74a - Bluff Hills
er74b - Loess Plains
er74c - Southern Rolling Plains
er75a - Gulf Coast Flatwoods
er75a - Flood Plains and Low Terraces
er75k - Gulf Barrier Islands and Coastal Marshes
Based on Ecoregions developed by the EPA this map
describe areas of general similarity in ecosystems and in the type,
quality, and quantity of environmental resources, as well as similarity of
climate that can assist Mississippi gardenders.
