Preliminary guidance for estimating erosion on areas disturbed by surface mining activities in the interior western United States :  interim final report 

 - 	Denver, Colo. :  Soil Conservation Service,  1977 
 - 	1v.(various pagings) :  ill., maps,[1] folded col. ill. ;  27 cm. 
 - 	EPA, 908/4-77-005. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil erosion--Measurement--West (U.S.)<br/>Soil conservation--West (U.S.)<br/>Strip mining--Environmental aspects--West (U.S.)
<br/><br/><label>Dewey Class. No.: </label>631.450973