Wilson, Carol A. <br/><br/>
Geologic investigations of underground coal mining problems 
Wilson, Carol A.; Wilson, Carol A.; Ferrero, Edward P.  
 - Washington  Bureau of mines  1975 
 - 28 p. 
 - RI 8024 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>PETROLEO<br/>PETROLEUM
<br/><br/><label>Subjects--Index Terms: </label>CONTAMINACION POR HIDROCARBUROS DERRAME DE PETROLEO OIL POLLUTION OIL SPILLS 
<br/><br/><label>Universal Decimal Class. No.: </label>665