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<br />,~. l) .' ! '1 <br />\..,;' - :. ':~ ......, <br /> <br />. <br /> <br />-.:! - <br /> <br />. <br /> <br />. 'r <br /> <br />Literature Cited <br /> <br />1. Cary, M. 1911. A biological survey of Colorado. N. Amer. <br />Fauna No. 33, U. S. Bureau of Biological Survey, Wash., <br /> <br />D. C. <br /> <br />256 p. <br /> <br />2. Warren, E. R. <br />Sons, N. Y. <br /> <br />1910. Mammals of Colorado. <br />300 p. <br /> <br />G. P. Putnam's <br /> <br />3. Young, S. P. <br />America. <br /> <br />and E.A. Goldman. 1944. The wolves of North <br />Wildlife Management Institute, Wash., D. C. 636 p. <br /> <br />4. Buechner, H. K. 1960. <br />present and future. <br />Society. 174 p. <br /> <br />The bighorn sheep in the U. S., its pas t, <br />Wildl ife Monograph No.4, Wildlife <br /> <br />5. Moser, C.A. , and R.E. Pillmore. 1957. The bighorn sheep <br />of Colorado. F. A. in Wildlife Restoration. Colo. W -41-R <br />63 p. <br />