The Boulder Dam All-American Canal Project Imperial Irrigation District (Calif.) Published: 1924 Total Pages: 32 Get eBook
Boulder Canyon Project United States. Bureau of Reclamation Published: 1938 Total Pages: 176 Get eBook
The Hoover Dam Documents United States. Department of the Interior Published: 1948 Total Pages: 1170 Get eBook
Boulder Canyon Project, All-American Canal System, California Published: 1981 Total Pages: 8 Get eBook
Hoover Dam Power and Water Contracts and Related Data United States. Bureau of Reclamation Published: 1950 Total Pages: 1348 Get eBook