Grassland of the United States  Their economic and ecologic importance; a symposium of the American Forage and Grassland Council 
Howard B.Sprague (ed.) 
 - xii, 220 p.; il.; 24 cm 
<br/><br/> FACULTAD DE ZOOTECNIA 
<br/><br/><label>ISBN: </label>0-8138-0745-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pastoreo--tierras de--E.U.A<br/>Agostaderos--E.U.A
<br/><br/><label>Dewey Class. No.: </label>333.74'09'73  / GRA 1974