Bove, Dana J. <br/><br/>
Geochronology and geology of late oligocene through miocene volcanism and mineralization in the San Juan Mountains, Colorado / 
by Dana J. Bove ... [et al.] 
 - Denver :  U.S. Geological Survey,  2001 
 - iii, 38 p. :  ill. ;  28 cm 
 - U.S. Geological Survey Professional Paper;  no. 1642 .
<br/><br/>Refreces: 17-19 
<br/><br/><label>ISBN: </label>0607974869