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Creator
- unknown 257
- United States. War Department 13
- Olsen & Johnson 10
- Turpin, W. S. 10
- Skidmore, Owings & Merrill 9
- Loggie, Peter 8
- Turpen, William S. 8
- Chandler, William G. 6
- Dougan, Luther L. 6
- Houghtaling & Dougan 6
- Houghtaling, Chester A. 6
- Conway, F. E. 5
- Hummel, Frank 5
- Powell, Charles Francis, 1843-1907 4
- United States. Army. Office of the Chief of Engineers 2
- Berg, Carl F. 1
- Graham & Aitken 1
- Granstrom Construction Company 1
- Jones, William A. (William Albert), 1841-1914 1
- Thomas, Lee A. 1