Mobile: U.S. Army Corps of Engineers, 1978. Paperback. Folio (14½" X 21"). Stiff wrappers (stapled along top). (Ca. 100pp rectos only). Maps, tables, numerous full-page aerial photographs. Very good. Outer wrappers a bit edgeworn, age toned and rubbed; single horizontal fold (as issued). Item #46849
Tight and nice copy of this in-depth, largely aerial photography following of these two Alabama rivers which (to cite front wrapper) "Should Not Be Used for Navigational Purposes." Intriguing.