The Demopolis Chalk is one of the two rock types that occur beneath the Black Belt Prairie district of the East Gulf Coastal Plain. This section is located on the Tombigbee River near Epes, Sumter County.

The Demopolis Chalk is one of the two rock types that occur beneath the Black Belt Prairie district of the East Gulf Coastal Plain. This section is located on the Tombigbee River near Epes, Sumter County.