Zaval, Frank J. <br/><br/>
Revegetation augmentation by reuse of treated active surface mine drainage :  a feasibility study / 
by Frank J. Zaval and John D. Robins 
 - Washington, D.C. :  United States Environmental Protection Agency,  1972 
 - xi, 147 p. :  ill. ;  28 cm. 
 - Environmental protection technology series .
<br/><br/> EPA-R2-72-119  November 1972 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mine drainage--Congresses<br/>Abandoned mined lands reclamation--Congresses
<br/><br/><label>Dewey Class. No.: </label>622.5