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008 161004b xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a627.15
_bUn3b
110 _aUnited States.Department of the Interior
245 1 _aPenstock analysis and Stiffener design
_cDepartment of the Interior
260 _aColorado
_bDenver
_c1940
300 _aviii, 140p.
440 _aBulletin 5
500 _aBoulder Canyon project final reports
505 _aContents: pt. V -- Technical investigation
650 _aDesign and analysis
942 _cBK
999 _c457829
_d457829