00407nam a2200157Ia 4500003000900000008004100009040001600050080001300066245002600079250001200105260003300117300001600150490003000166650004100196650001200237IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a556bGIL 0aPrinciples of geology  a2nd ed.  aAmericabW. H. Freemanc1959  aviii, 534p.  aA Series of Geology Texts  aAstronomy and Astrophysics Thesaurus  aGeology