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1875
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Yarrow, Henry C. Report upon the collections of batrachians and reptiles made in portions of Nevada, Utah, California, Colorado, New Mexico, and Arizona during the years 1871, 1872, 1872, and 1874. Wheeler, G. M. ed., Report upon Geographical and Geological Explorations and Surveys West of the One Hundredth Meridian in Charge of First Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army, Under the Direction of Brig. Gen. A. A. Humphryes, Chief of Engineers, U.S. Army. Volume 5 (Zoology), Part. 4. US Government, Washington, D. C. 509-584pp.
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1913
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Ellis, Max M. and Junius Henderson. The amphibia and reptilia of Colorado. Part 1. University of Colorado Studies 10(1):39-129
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1915
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Ellis, Max M. and Junius Henderson. Amphibia and reptilia of colorado. Part II. University of Colorado Studies 11(4):253-264
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1926
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Burnett, William L. Notes on Colorado herpetology. Occasional Papers of the Museum of Zoology and Entomology 1(1):1-4
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1939
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Jones-Burdick, W. H. Guide to the snakes of Colorado. University of Colorado Museum Leaflet (1):Unpaginated
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1947
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Maslin, T. Paul. Guide to the lizards of Colorado. University of Colorado Museum (3):1-14
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1948
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Rodeck, Hugo G. The turtles of Colorado. Journal of the Colorado-Wyoming Academy of Science 8(6):64
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1949
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Jones-Burdick, W. H. Guide to the snakes of Colorado (revised). University of Colorado Museum Leaflet (5):1-23
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1950
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Rodeck, Hugo G. Guide to the turtles of Colorado. University of Colorado Museum, Leaflet 7. 9pp.
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1959
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Maslin, T. Paul. An annotated checklist of the amphibians and reptiles of Colorado. University of Colorado Studies 6():1-98
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1964
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Torbit, C. A. A preliminary report on the herpetofauna of a section of prairie in El Paso County, Colorado. Journal of the Colorado-Wyoming Academy of Science 5(5):51
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1965
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Smith, Hobart M., T. Paul Maslin, and Robert L. Brown. Summary of the distribution of the herpetofauna of Colorado: A Supplement to An Annotated Check List of the Amphibians and Reptiles of Colorado. University of Colorado Studies Series in Biology (15):56
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1981
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Lambert, Sherman and William Harper Reid. Biogeography of the Colorado herpetofauna. American Midland Naturalist 106(1):145-156
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1982
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Hammerson, Geoffery A. Amphibians and Reptiles in Colorado. Colorado Division of Wildlife, Denver. pp.
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1986
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Hammerson, Geoffrey A. Amphibians and Reptiles in Colorado. Colorado Division of Wildlife, Denver. pp.
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1999
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Hammerson, Geoffrey A. Amphibians and Reptiles in Colorado. Second Edition. University Press of Colorado and Colorado Division of Wildlife, Niwot, Colorado. 484pp.
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2011
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Young, Mary T. The Guide to Colorado Reptiles and Amphibians. Fulcrum Publishing, Lakewood, Colorado. 176pp.
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