1. Division map : Lower Mississippi valley division / Major Gen. R.W. Crawford, Division Engineer. Published / Created: 1948 Call Number: 807 1948 Container / Volume: BRBL_00551 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Division map : Lower Mississippi valley division / Major Gen. R.W. Crawford, Division Engineer.