Atwater, Mary <br/><br/>Earth changes through time/ Mary Awater.--  -- New York:  Macmillan/McGraw-Hill School Publishing Company,  1993. <br/> col.: ill.;  25. <br/><br/> Includes index. <br/><br/><label>ISBN: </label>0022742875 <br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/><br/><label>Dewey Class. No.: </label>HS Cir 550.07 E76 1993