Great plains Prologue to tree planting program of Great Plains - 1935 shelterbelt. Journal of the West v.6 #1 Ja 1967 p.119 Oasis civilization in the great plains. Great Plains Journal v.7 #1 Fall 1967 p.26-32 A university of the great plains. Great Plains Journal v.7 #1 Fall 1967 p.33-37 Proposal to use water from Niobrara and Missouri Rivers to irrigate great plains. Post Empire Ag 25, 1968 p.16-20
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