Lower Mississippi River Basin except Arkansas River Basin
U. S. Dept. of the Interior ; prepared in cooperation with the States of Arkansas, Kentucky, Louisiana, Mississippi, Missouri, Oklahoma, Tennessee, and Texas, and with other agencies
(U.S. Geological Survey water-supply paper, 2120 . Surface water supply of the United States 1966-1970 ; Pt. 7 . Lower Mississippi River Basin ; v. 1)
U. S. Gov. Printing Office, 1975
U.S. Govt. Print. Off