00951cam a22002771 4500 gs 55000266 DLC 20260227111403.0 790424s1955 nduab b s000 0 eng c gs 55000266 (OCoLC)4888891 U.S. Geol. Survey. Libr. MnMohC DLC premarc n-us-nd QE149 .A53 557.84 University of North Dakota. Department of Geology. Contributions to the geology of North Dakota, by students and staff, Dept. of Geology, University of North Dakota. Grand Forks, 1955. 83-156 p. illus., maps, tables. 23 cm. North Dakota Geological Survey. Bulletin 28 Cover title. "Reprinted from the Compass of Sigma Gamma Epsilon, vol. 32, pp. 83-156, 1955." Includes bibliographies. Geology North Dakota. 28985 28985