1. Archaeological investigations at the North Cove site, Harlan County Lake, Harlan County, Nebraska;Adair,1989
2. Distribution, production, and diversity of C3- and C4-dominated communities in a mixed prairie;Barnes;Can. J. Bot.,1983
3. Towards a postglacial history of the northern Great Plains: a review of the paleoecological problems;Barnosky;Ann. Carnegie Mus.,1987
4. Mean July temperature for eastern North America at 6000 yr. B.P.: regression equations for estimates based on fossil-pollen data;Bartlein;Syllogeus,1985
5. Holocene climate change in the Northern Midwest: pollen-derived estimates;Bartlein;Quat. Res.,1984