Economics of small watershed planning in Minnesota. 

 - Minnesota :    Agricultural Experiment Station,    1974- 
 - v. :    ill. ;    30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Agriculture -- Periodicals.
<br/><br/><label>Dewey Class. No.: </label>PER 630.6173 U5