Argall, George O <br/><br/>
Coal exploration; proceedings of the second International Coal Exploration Symposium, Denver, Colorado, October 1978 

 - San Francisco, CA  Miller Freeman Publications  1979 
 - 560 p.  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CARBON<br/>EXPLORACION<br/>PROSPECCIÓN GEOFÍSICA<br/>SIMPOSIUM
<br/><br/><label>Universal Decimal Class. No.: </label>553.94:550.83/A69