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- United States. Congress. House18
- Geological Survey (U.S.)9
- Geological Survey (U.S.), issuing body8
- Carter, Virginia7
- Project Muse7
- United States. Army. Corps of Engineers7
- United States. War Department7
- United States. War Department. Engineer Dept7
- Fassett, Norman C. (Norman Carter), 1900-19546
- Godfrey, Robert K.6
- Wooten, Jean W.6
- Aquatic Plant Control Research Program (U.S. Army Engineer Waterways Experiment Station). Meeting5
- Davis, Graham J.5
- United States5
- United States. Bureau of Reclamation5
- United States. Commission on Fish and Fisheries (1871-1903)5
- Correll, Donovan Stewart, 1908-4
- Crow, Garrett E.4
- Evermann, Barton Warren4
- Hellquist, C. B.4