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Creator
- Boyle, William F. Jr. 1
- Brown, James D. 1
- Bureau of Reclamation 1
- Byther, Harry S. 1
- Covington, Dwight A. 1
- Culter, Glynn R. 1
- Eck, William 1
- Frincke, Martin C. 1
- Hein, Eldor W. 1
- Hofman, Gotfried J. 1
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Photographer
- Roderick, J. D. 1
Rights
- In Copyright - Educational Use Permitted 1