000 00485 a2200169 4500
005 20161003120411.0
008 161003b xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a627.15
_bUn3b
110 _aUnited States.Department of the interior
245 1 _aConcrete manufacture, handling, and contrl
_c.Department of the interior
260 _aColoradr
_bDenever
_c1947
300 _avii, 241p.
440 _aBulletin 4
650 _aConcrete manufacturing
942 _cBK
999 _c457851
_d457851