Investigating the earth / 
[by] Miles F. Harris [and others] 
 - 3 rd ed. 
 - Boston :  Houghton Mifflin,  c1981. 
 - xiii, 557 p. :  illus. ;  24 cm. 
<br/><br/> "Sponsored by the American Geological Institute and based on the original Earth Science Curriculum Project." 
<br/><br/>Includes bibliographies & Index. 
<br/><br/><label>ISBN: </label>039530167x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences.
<br/><br/><label>Dewey Class. No.: </label>550  / INV 1981