United States. Army. Corps of Engineers. Rock Island District. (1989). Report on the upper Mississippi River and Illinois Waterway navigation system. US Army Corps of Engineers, Rock Island District.
Chicago Style (17th ed.) CitationUnited States. Army. Corps of Engineers. Rock Island District. Report on the Upper Mississippi River and Illinois Waterway Navigation System. [Rock Island, Ill.]: US Army Corps of Engineers, Rock Island District, 1989.
MLA (9th ed.) CitationUnited States. Army. Corps of Engineers. Rock Island District. Report on the Upper Mississippi River and Illinois Waterway Navigation System. US Army Corps of Engineers, Rock Island District, 1989.
Warning: These citations may not always be 100% accurate.