Penstocks and outlet pipes /
Penstocks and outlet pipes /
United States, department of the interior, bureau of reclamation
- 386 páginas
- Boulder canyon project. final report ; pte. 4. design and construction ; bulletin 5 .
Rio Colorado
Hoover, Presa
TC425.C6 / E774
Rio Colorado
Hoover, Presa
TC425.C6 / E774