National agricultural lands study 

 - Washington, D.C. :  United States Department of Agriculture,  1981 
 - 20 p. ;  26 cm. 
<br/><br/> Executive summary of final report 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural ecology<br/>Land use--Environmental aspects
<br/><br/><label>Dewey Class. No.: </label>333.76