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- Geological Survey (U.S.)10
- Brackley, Richard A., 1927-1
- Canada. Dominion Water Power Branch1
- Cederstrand, Joel R.1
- Geological and Geographical Survey of the Territories (U.S.)1
- Geopress (Firm), cartographer1
- Guyana. Lands and Surveys Dept. Cartographic Division1
- Iowa. Department of Natural Resources. Geological Survey Bureau1
- Kenner, William E.1
- McElroy, Marianne1
- Palmdale Land Co.1
- Waterbury (Conn.). Bureau of Engineers, cartographer, publisher1
