TY  - BOOK
ED  - Estados Unidos.
TI  - Penstocks and outlet pipes
T2  - Boulder canyon project. final report
AV  - TC425.C6 E774
PY  - 1949///
CY  - Denver, colorado
PB  - E. u., bureau of reclamation
KW  - Rio Colorado
KW  - Hoover, Presa
ER  -