Changing earth Grade / 
Mary Atwater ... [et. al.] 
 - 4th ed 
 - New York : Macmillan/McGraw-Hill School Pub. Co. , c1995 
 - Macmillan/McGraw-Hill science, unit 23. .
<br/><br/><label>ISBN: </label>0022742735 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences--Study and teaching (Elementary)<br/>Geology--Study and teaching (Elementary)<br/>Science--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>QE28  / C436 1993