Sprague, Howard B <br/><br/>
Grasslands of the United States  their economic and ecologic importance 

 - Iowa  Iowa State U.P.  1974 
 - 220 p. 
<br/><br/><label>ISBN: </label>081380745X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>333.740973  / GRA