Kissell, Fred <br/><br/>
Reducing dust at longwall shearers by confining the dust cloud to the face (BM-TPR 111) 
Kissell, Fred 
 - Washington  Bureau of mines  1981 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONTROL DEL POLVO EN LA MINA<br/>CONTROL DE LAS CONDICIONES AMBIENTALES
<br/><br/><label>Universal Decimal Class. No.: </label>622.807