TROEH R.FREDERICK <br/><br/>
SOIL AND WATER CONSERVATION FOR PRODECTION AND ENVIRONEMENTAL PROTECTION 

 -  1980 
<br/><br/><label>ISBN: </label>0-13-822-155-3 
<br/><br/><label>LC Class. No.: </label>333.72/TRO  / 4 
<br/><br/><label>Dewey Class. No.: </label>333.72/TRO  / 4