Major Land Resource Areas in Louisiana

131A–Southern Mississippi River Alluvium
131B–Arkansas River Alluvium
131C–Red River Alluvium
131D–Southern Mississippi River Terraces
133A–Southern Coastal Plain
133B–Western Coastal Plain
134–Southern Mississippi Valley Loess
150A–Gulf Coast Prairies
151–Gulf Coast Marsh
152A–Eastern Gulf Coast Flatwoods
152B–Western Gulf Coast Flatwoods

From Land Resource Regions and Major Land Resource Areas of the United States, the Caribbean, and the Pacific Basin (Ag Handbook 296) - This publication describes 28 land resource regions and the physiography, geology, climate, water resources, soils, biological resources, and kinds of land use in 278 major land resource areas in the United States, the Caribbean, and the Pacific Basin.