Messages in stone :  Colorado's colorful geology / 
 Colorado's colorful geology 
Colorado Geological Survey ; edited by Vincent Matthews, Katie KellerLynn, & Betty Fox ; contributing authors, James A. Cappa ... [and others]. 
 - xiv, 157 pages :  illustrations (chiefly color), color maps ;  26 cm. 
<br/><br/>Includes bibliographical references (p. 148-149) and index. 
<br/><br/><label>ISBN: </label>1884216595 
<br/><br/><label>LCCN: </label>2004356579 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Colorado.<br/>Geology--Colorado.
<br/><br/><label>LC Class. No.: </label>QE91  / .M47 2003 
<br/><br/><label>Dewey Class. No.: </label>557.88