000 00715nam a2200229u 4500
001 00910422
003 PWmBRO
008 901022s1987 pau rt f00 00 eng d
010 _a90043027
090 _aVF
_b338.2/0973/J71c
100 1 0 _aJohnson, Wilton.
245 1 0 _aCement /
_cWilton Johnson.
260 _aPittsburgh, PA :
_bBureau of Mines,
_c1987.
300 _a28 p.
500 _a"Preprint from the 1987 Bureau of Mines Minerals Yearbook"--Cover.
650 0 _aMineral industries
_zUnited States
_xPeriodicals.
650 0 _aMines and mineral resources
_zUnited States
_xPeriodicals.
650 0 _aCement industries.
710 1 0 _aUnited States.
_bBureau of Mines.
942 _2ddc
994 0 1 _a076763
999 _c59927
_d59927