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Showing 1 to 1 of 1 for “"Pebbles; Drift--North Dakota"”.
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Pebbles in the glacial till of eastern North Dakota
… of twenty-three samples of glacial in eastern North Dakota. The samples were analyzed in terms of lithology, shape, and roundness. Graphs are given showing the relationships among the various factors. The graph are discussed and significance of the various factors affecting the pebbles are …