1. Eolian deposits in the Nebraska Sandhills;Ahlbrandt;U.S. Geol. Surv. Prof. Pap.,1980
2. The dynamic Holocene dune fields of the Great Plains and Rocky Mountain basins, USA;Ahlbrandt,1983
3. Geological-climatic dating in the West;Antevs;Am. Antiq.,1955
4. Patterns of Holocene environmental change in the midwestern United States;Baker;Quat. Res.,1992
5. Toward a postglacial history of the northern Great Plains: a review of the palaeoecological problems;Barnosky;Ann. Carnegie Mus.,1987