00677nam a2200241Ia 450000100060000000300050000600500170001100800410002801000150006902000150008405000210009908200100012010000280013024500650015825000110022326000410023430000390027535000100031449000400032450000110036450400290037565000310040458654BIBL20160527190643.0710125s1970 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. a12.500 aA Series of books in geology2Local a921004 aIncludes bibliographies. 0aHistorical geology.2Local