United States. Army. Corps of Engineers. Rock Island District. (1998). Locks and the river: A boater's guide to safe travel on the Upper Mississippi River and the Illinois Waterway. [US Army Corps of Engineers, Rock Island District].
Chicago Style (17th ed.) CitationUnited States. Army. Corps of Engineers. Rock Island District. Locks and the River: A Boater's Guide to Safe Travel on the Upper Mississippi River and the Illinois Waterway. [Rock Island, Ill.?]: [US Army Corps of Engineers, Rock Island District], 1998.
MLA (9th ed.) CitationUnited States. Army. Corps of Engineers. Rock Island District. Locks and the River: A Boater's Guide to Safe Travel on the Upper Mississippi River and the Illinois Waterway. [US Army Corps of Engineers, Rock Island District], 1998.