Crosson, Pierre R <br/><br/>
Resource and environmental effects of U S agriculture 

 - Washington, D C  Resources for the future, Inc  1982 
 - xv, 255p.; 26cm. 
<br/><br/><label>ISBN: </label>801829208 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture - United States<br/>Agriculture ecology - United States<br/>Irrigation<br/>Policy considerations<br/>Regional projections<br/>Soil conservation - United States