O'Dunn, Shannon <br/><br/>
Exploring geology :  introductory laboratory activities / 
Shannon O'Dunn, William D. Sill 
 - Englewood Cliffs, N. J. :  Prentice-Hall,  1986 
 - 292 p. :  ill., maps ;  28 cm. 
<br/><br/> Formerly published as general geology of the Western United States 
<br/><br/><label>ISBN: </label>0132956683 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Maps--Laboratory manuals<br/>Geology--Study and teaching (Higher)--Laboratory manuals