Pearl, Richard M.,  1913-1980, <br/><br/>
Exploring rocks, minerals, fossils in Colorado / 
by Richard M. Pearl. 
 - revised edition 
 - 215 pages  illustrations, maps.  23 cm. 
<br/><br/> First ed. published in 1964 under title: Colorado rocks, minerals, fossils. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>70015729 //r93 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks--Colorado.<br/>Minerals--Colorado.<br/>Fossils--Colorado.
<br/><br/><label>LC Class. No.: </label>QE91  / .P4 1969 
<br/><br/><label>Dewey Class. No.: </label>552/.009788