Creator
- Cowgill, Clinton Harriman, 1890-19751
- Geological Survey (U.S.)1
- Geological Survey. Water Resources Division (U.S.)1
- Houston, L. J., Jr. (City Manager)1
- Lynn, S. S.1
- McGauhey, P. H. (Percy Harold)2
- Mount Vernon Ladies' Association of the Union1
- United States George Washington Bicentennial Commission1
- United States. Department of Agriculture1
- United States. War Department. Corps of Engineers1
- Virginia Polytechnic Institute and State University. Department of Civil Engineering2
- Washington, George, 1732-17991