1. The glaciation of northeastern Kansas;Aber;Boreas,1991
2. Pre-Illinoian glacial geomorphology and dynamics in the central United States, west of the Mississippi;Aber,1999
3. Mid-Pleistocene cosmogenic minimum-age limits for pre-Wisconsinan glacial surfaces in south-western Minnesota and southern Baffin Island: A multiple nuclide approach;Bierman;Geomorphology,1999
4. Pleistocene dranrage reversal in the Upper Tuttle Creek Reservoir area of Kansas;Chelikowski;Kansas Geological Survey, Bulletin,1976
5. Geological map of North Dakota;Clayton;North Dakota Geological Survey,1980