1. Geology and ground water resources of Divide County, North Dakota;Armstrong;North Dakota Geol. Surv. Bull.,1967
2. Ice thrust bedrock in northeast Cavalier County, North Dakota;Bluemle;North Dakota Acad. Sci. Proc.,1966
3. Anomalous hills and associated depressions in central North Dakota;Bluemle;Geol. Soc. Am. Abstracts with Programs,1970
4. Geology of McLean County, North Dakota;Bluemle;North Dakota Geol. Surv. Bull.,1971
5. Pleistocene drainage development in North Dakota;Bluemle;Geol. Soc. Am. Bull.,1972