Senate documents, 86th Congress. 50. Black Warrior, Warrior, and Tombigbee Rivers, Ala., at Jackson Lock and Dam, letter from chief of engineers. Army, submitting report on modification of project for navigation on Black Warrior, Warrior, and Toiubighee Rivers, Ala., at Jackson Lock and Dam with respect to acquisition of certain lands for wildlife purposes, Aug. 25, 1959.