000			00427cam a22001335i 4500
082			_a620.136 _bCON _cL-19, P-68
110	1		_aUnited States. _921185
245	1	0	_aConcrete manual; _ba manual for the control of concrete construction.
250			_a7th ed.
260			_aDenver, Colo.; _a[Washington, _bGovt. Print. Off.] _c1966.
300			_axxxv, 642 p. _c19 cm.
526			_a0 _b0 _c0 _d620_136000000000000_CON
942			_2ddc _cBK
999			_c545213 _d545213