Alexander, Gretchen. <br/><br/>
Earth Science / 
by Gretchen M. Alexander. 
 - Glenview :  Scott Foresman,  c1986. 
 - 498 p. :  ill., col ;  24 cm. 
<br/><br/><label>ISBN: </label>0673141152 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth science.