SOIL CONSERVATION POLICIES AN ASSESSMENT 

 -  1979 
<br/><br/><label>ISBN: </label>0-935734-04-X 
<br/><br/><label>LC Class. No.: </label>333.73/SOI  / 1 
<br/><br/><label>Dewey Class. No.: </label>333.73/SOI  / 1