Ramsey, William L. <br/><br/>Modern Earth Science  -- Quezon City:  HOLT RINEHEART AND WINSTON,INC,  1961. <br/><br/> Index <br/><br/><label>ISBN: </label>9718558065 <br/><br/><label>Dewey Class. No.: </label>GS Res 550 R472 1965