Geological Society of America bulletin : Vol. 102 Iss. 1-6 Year. 1990 

 - Colarado  Geological Society of America   1990 
 - [V.P.]  Illustration  28cm x 22cm  Bound Journal 
 - 11 
<br/><br/><label>ISSN: </label>00167606 10509747 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>551  / GEO