1. Gulf Intracoastal Waterway. Navigation maps of Gulf Intracoastal Waterway, Port Arthur, Tex., to New Orleans, La., including Morgan City-Plaquemine route, also showing confluent Atchafalaya River system and outlets to Gulf. Scale 1:62,500. 2d edition, July 1944. n. p. Bookmark Corporate/Agency Authors: Mississippi River Commission, Army Service Forces, and War Department Publisher: Mississippi River Commission Date: [1944] SuDoc number: W 31.7:In 8/944