Includes bibliographical references (p. [213]-242) and index.; Machine generated contents note: 1. The Medicine Creek Valley: Environment and Prehistory -- Donna C. Roper 1 -- 2. Discovery at Medicine Creek -- W. D. Frankforter 9 -- 3. The Lime Creek Sites: How Long Ago Did People First Live in the Medicine Creek Valley? -- E. Mott Davis 16 -- 4. The La Sena and Shaffert Mammoth Sites: History of Investigations, 1987-1998 -- Steven R. Holen and David W. May 20 -- 5. Stratigraphic Studies at Paleoindian Sites Around Medicine Creek Reservoir -- David W. May 37 -- 6. The Paleoindian Occupation of the Medicine Creek Drainage, Southwestern Nebraska -- Douglas B. Bamforth 54 -- 7. Medicine Creek Is a Paleoindian Cultural Ecotone: The Red Smoke Assemblage -- Ruthann Knudson 84 -- 8. "it's turtles all the way down": Prefederal Upper Republican Site Archaeology at Medicine Creek -- Donna C. Roper 142 -- 9. Nebraska State Historical Society and River Basin Surveys Research at Medicine Creek Lake, 1946-I948 -- Robert K. Biasing 156 -- 10. What Do You Mean Upper Republican? -- Donald J. Blakeslee 163 -- 11. Post-River Basin Surveys Investigations at Upper Republican Sites in the Medicine Creek Valley -- Donna C. Roper 179 -- 12. A Model for Upper Republican Subsistence and Nutrition in the Medicine Creek Locality: A New Look at Extant Data -- Curtis Nepstad-Thornberry, Linda Scott Cummings, and Kathryn Puseman 197.;