Erosion and sediment control : surface mining in the eastern U.S. 

 - Washington :  Environmental Protection Agency (EPA),  1976 
 - 2 v 
<br/><br/>1 Planning -- v.2 Design 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minería ---Estados Unidos<br/>Geología de minas
<br/><br/><label>Dewey Class. No.: </label>622.10973 U58e