00953cam a2200241u  45000010008000000030008000080050017000160080041000330100017000740400028000910500015001190820015001341110051001492450183002002600051003833000021004343650014004554900036004695040051005056500022005568100071005788100062006496050264BD-DhUL20141031120439.0821209s1959    nyua          101 0 eng    a   54060838   aDLCcCarPdDLCdBD-DhUL00aTN941b.N300a549.6bNAC2 aNational Conference on Clays and Clay Minerals10aClays and clay minerals ; vol. 7th :bproceedings of the Seventh National Conference on Clays and Clay Minerals, University of Kansas, October 20-23, 1958cAda Swineford, editor.  aNew York : bOxford ; bPergamon Press,c1959.  av.bill.c24 cm.  aGBPb3.100 a Earth science series ; vno. 5  aIncludes bibliographical references and index. 0aClayvCongresses.1 aCalifornia.bDivision of Mines.tBulletinv169. [from old catalog]2 aNational Research Council (U.S.).bPublication 327 [etc.]