REFERENCES CITED (continued) 
Munro, De Ae 
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Smith, Donald and E. Le Boeker 
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Unpublished manuscript in files of U.S. Bureau of Sport 3 
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Sooter eo Ae 
| 19h; Texas and New Mexico investigations - winter 192-3, including 
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Unpublished report in files of U.S. Bureau of Sport Fisheries 
and Wildlife. 
Sperry, Ce Ce 
1939. Sandhill cranes vs. grain crops in New Mexico. Unpublished _ 
report in files of U.S. Bureau of Sport Fisheries and Wildlife. 
Timmerman, R. H. 
1958. ase of san crane activities during the fall of 1958 
orth Dakota, Unpublished manuscript in files of U.S. 
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Walkinshaw, L. He 
1949. The sandhill cranes. Cranbrook Inst. of Science Bull. 29; 
22 pp. 
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