1. Bowman, P. W. 1960 Coal Oil Canyon (14L01) Report on Preliminary Investigations. Kansas Anthropological Association Bulletin No. 1. Topeka.
2. Brew, J. O. 1946 Archaeology of Alkalai Ridge, Southeastern Utah. Papers of the Peabody Museum of Archaeology and Ethnology No. 21. Harvard University, Cambridge.
3. Butler; W. B. 1980 Comments on a Research Design for the State Historic Preservation Plan: Eastern Colorado. Paper presented at the annual meeting of the Colorado Council of Professional Archaeologists, Denver.
4. Carlson, G. F., and R. E. Jensen 1973 Archaeological Salvage and Survey in Nebraska. Publications in Anthropology No. 5. Nebraska State Historical Society, Lincoln.
5. Cassells, E. S. 1983 The Archaeology of Colorado. Johnson Books, Boulder, Colorado.