TY - BOOK AU - Kummel,Bernhard AU - Gillespie,Evan L. TI - History of the earth: an introduction to historical geology U1 - 551.7 PY - 1961///] CY - San Francisco PB - W. H. Freeman KW - Geology, Strtegraphic KW - Paleontology KW - Earth N1 - Includes bibliographical references and index ER -