United States. Weather Bureau. (1931). Daily river stages at river gage stations on principal rivers of U.S: Volume XXIX, 1931. GPO.
Chicago Style (17th ed.) CitationUnited States. Weather Bureau. Daily River Stages at River Gage Stations on Principal Rivers of U.S: Volume XXIX, 1931. [Washington]: GPO, 1931.
MLA (9th ed.) CitationUnited States. Weather Bureau. Daily River Stages at River Gage Stations on Principal Rivers of U.S: Volume XXIX, 1931. GPO, 1931.
Warning: These citations may not always be 100% accurate.