LEROY, L. W. Y OTROS <br/><br/>
GEOLOGY SUBSURFACE  PETROLEUM MINING CONSTRUCTION 

 - 4 
 - GOLDE COLORADO-U.S.A.  COLORADO SCHOOL OF MINES  1977 
 - 941 pag  26 cm 
 - 0  0 .
<br/><br/>LABORATORY-PETROLEUM/GEOLOGY-INVESTIGATION 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIAS PURAS
<br/><br/><label>Dewey Class. No.: </label>550  / L49