by Ashworth, A.C., Hoganson, J.W.
Published in Palaeogeography, palaeoclimatology, palaeoecology (01.04.1993)

by Hoganson, J.W. (North Dakota Geological Survey, Bismark, ND), Ashworth, A.C
Published in Quaternary research (01.01.1992)

by Hoganson, J.W, Ashworth, A.C
Published in Proceedings of the North Dakota Academy of Science (1981)

by Ashworth, A.C, Hoganson, J.W
Published in Annals of the Entomological Society of America (01.11.1987)