00973cam a2200241u  45000010008000000030008000080050017000160080041000330100017000740400028000910500015001190820015001341110071001492450183002202600051004033000021004543650014004754900036004895040051005256500022005768100071005988100062006696050264BD-DhUL20141031115440.0821209s1960    nyua          101 0 eng    a   54060838   aDLCcCarPdDLCdBD-DhUL00aTN941b.N300a549.6bNAC2 aNational Conference on Clays and Clay Minerals. [from old catalog]10aClays and clay minerals ; vol. 8 :bproceedings of the twelfth National Conference on Clays and Clay Minerals, University of Oklahoma, October 11-14, 1959cAda Swineford, editor.  aNew York : bOxford ; bPergamon Press,c1960.  av.bill.c24 cm.  aGBPb3.130 a Earth science series ; vno. 9  aIncludes bibliographical references and index. 0aClayvCongresses.1 aCalifornia.bDivision of Mines.tBulletinv169. [from old catalog]2 aNational Research Council (U.S.).bPublication 327 [etc.]