Foster, Robert J. General geology [by] Robert J. Foster. - 2d ed. - Columbus, Ohio Charles E. Merrill Publishing Co. 1973. - viii, 721 p. ill., maps. Includes bibliographies. ISBN: 067509061X LCCN: 72085136 //r84 Subjects--Topical Terms: Geology LC Class. No.: QE26.2 / .F66 1973 Dewey Class. No.: 550