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Bailey, J. A. 1978. Trickle Mountain bighorn sheep study. Colorado State Univer- 

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Black, J.H. 1970b. Turtles of Montana. Number 2 of Animals of Montana Series. 

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Bowen, CM. 1979. Grayrocks -- a new approach to mitigation. In The mitigation 

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Brown, G.W. 1974. Distribution and population characteristics of bighorn sheep 

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