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Creator
- McCullough, Conde Balcom 24
- Mercer-Fraser Company 14
- Robert Wakefield & Company 3
- United Engineering & Construction CompanyCompany 3
- Waddell and Harrington 3
- Waddell, J. A. L. (John Alexander Low), 1854-1938 3
- American Bridge Division USS Steel 2
- Hammer & Curry Contractors 2
- Manson Construction Company 2
- Moffatt Nichol & Taylor 2
- Sverdrup & Parcel and Associates 2
- Bugee, William A. 1
- Hedrick, Ira G. 1
- Kremers, Robert E. 1
- Lindenthal, Gustav 1
- OBEC Consulting Engineers 1
- Robinson, Holton D. 1
- Steinman, David Barnard 1
- United States. Veterans Administration. Office of Construction 1