On the Great Plains: Agriculture and Environment

2007 ◽  
Vol 38 (1) ◽  
pp. 92-93
Author(s):  
Neil M. Maher
jpa ◽  
1995 ◽  
Vol 8 (3) ◽  
pp. 405-415 ◽  
Author(s):  
M. L. Teague ◽  
H. P. Mapp ◽  
D. J. Bernardo

1949 ◽  
Vol 31 (3) ◽  
pp. 497
Author(s):  
Harold G. Halcrow ◽  
Roy E. Huffman

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