00540nam a2200181Ia 4500001000600000003000500006008004100011010001100052040000900063100001700072245010900089260005800198300001000256440000500266500000500271503000500276650007700281Z_224CHAP220113s1974    xx            000 0 und d  a163197  cCHAP  aAres, Fred W  aThe Jornada experimental range: an epoch in the era of southwestern Range management  /cby Fred W. Ames  aDenver, Colo.  :bSociety for Range Management,c1974  a74 p.  a  a  a  aPastizalesxInvestigación I. Society for Range Management. Denver Colo