Bonnet, Robert L <br/><br/>
Earth science : 49 science fair projects 
Robert L. Bonnet and G. Daniel Keen 
 - Blue Ridge Summit, PA  TAB Books  1990 
 - xiv, 146 p. : ill. ; 25 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780830632879 
<br/><br/><label>ISSN: </label>89039634 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences - Exhibitions<br/>Earth sciences - Experiments<br/>Science projects
<br/><br/><label>Dewey Class. No.: </label>550.7 BON