Agricultural soil loss :  processes policies and prospects / 
edited by John M. Hartin and Gigi M. Berardi 
 - Boulder :  Westview Press,  1987 
 - 369 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0813371945 
<br/><br/><label>LCCN: </label>86-007780 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil erosion--United States<br/>Soil erosion--Economic aspects--United States<br/>Soil conservation--Economic aspects--United States<br/>Soil conservation--Government policy--United States