Focus on earth science :  teacher's annotated edition / 
edited by Joyce T. Spangler. 
 - Columbus :  Charles E. Merrill Publishing Co.,  1984. 
 - 536 p. :  ill. ;  26 cm. 
 - A Merril science program focus on earth sciences .
<br/><br/>Includes bibliographical indexes. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0675077516 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences.