Rennick, G.E. <br/><br/>
Demonstration of safety plugging of oil wells penetrating appalachian coal mines (BM-TPR 56) 
Rennick, G.E. 
 - Washington  Bureau of mines  1972 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SEGURIDAD EN LA MINA<br/>MINAS DE CARBON<br/>PETROLEO
<br/><br/><label>Universal Decimal Class. No.: </label>622.323