Aljoe, William W. <br/><br/>
Neutralization of acidic discharges from abandoned underground coal mines by alkaline injection / 
by William W. Aljoe and Jay W. Hawkins. 
 - Washington, D.C. :  U.S. Dept. of the Interior, Bureau of Mines,  1993. 
 - 37 p. :  ill., maps ;  28 cm. 
 - Report of investigations ;  9468 .
 - Report of investigations (United States. Bureau of Mines) ;  9468. .
<br/><br/>Includes bibliographical references (p. 36-37). 
<br/><br/><label>LCCN: </label>92046322  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acid mine drainage.<br/>Neutralization (Chemistry)<br/>Sodium hydroxide.<br/>Abandoned coal mines--Pennsylvania.
<br/><br/><label>LC Class. No.: </label>TN23  TD899.M5  / .U43 no. 9468 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.5