1. Thickness of the Mississippi River alluvium and thickness of the coarse sand and gravel in the Mississippi River alluvium in northwestern Mississippi Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Pearl, Mississippi : U.S. Department of the Interior, U.S. Geological Survey, 1996 Format: Map Access & Availability: Loading
2. Thickness of the upper and lower confining units of the Mississippi River alluvial aquifer in northwestern Mississippi Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Jackson, Mississippi : U.S. Department of the Interior, U.S. Geological Survey, 1994 Format: Map Access & Availability: Loading