EXPLORING GEOLOGY :  Introductory Laboratory Activities /  Textual Documents 
Shannon O`Dunn & William D Sill . 
 - First-1980. 
 - New Jersey  Prentice Hall 
 - 292pg:  ill;  30cm. 
<br/><br/><label>ISBN: </label>0-13-295668-3 
<br/><br/><label>Subjects--Index Terms: </label>Geology Deptt-Geology G-Geology 
<br/><br/><label>Dewey Class. No.: </label>551