00633nam a2200217Ia 4500001000700000003000500007005001700012008004100029010001500070020001500085050002100100082001000121100002800131245006500159250001100224260004100235300003900276490004000315504002900355650003100384244275BIBL20160527184721.0710125s1970 cauab b 00100 eng  a 73114579  a07167024950 aQE651b.K77 1970 a551.710aKummel, Bernhard2Local10aHistory of the earthban introduction to historical geology. a2d ed.0 aSan FranciscobW. H. Freemanc[1970] axix, 707 p.billus., maps.c26 cm.0 aA Series of books in geology2Local aIncludes bibliographies. 0aHistorical geology.2Local