Raymond, William H. <br/><br/>
Sapphirine in Precambrian rocks associated with stratabound sulfide deposits, Custer County Colorado 

 - Washington, D.C.  U.S. Geological Survey  1980 
 - 22 p.  ilus., tblas., mapas 
 - U.S. Geological Survey Bulletin  n.1513 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>ESTRATIGRAFÍA<br/>PRECAMBRICO<br/>SAFIRINA<br/>SULFUROS
<br/><br/><label>Subjects--Geographic Terms: </label><br/>COLORADO<br/>ESTADOS UNIDOS