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Showing 1 to 2 of 2 for “"Geology--North Dakota--Logan County"”.
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The surficial geology of southern Logan County, North Dakota
<p>Southern Logan County, North Dakota, was glaciated at least three different times during the Pleistocene epoch. Scattered patches of highly weathered iron-cemented drift found in the area of eroded Cretaceous bedrock in southwest-era Logan County are very possibly pre-Wisconsinan in age. Two …
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Glacial geology of northern Logan County, south-central North Dakota
<p>Northern Logan County, in south-central North Dakota, is included in two physiogeographic divisions: the southwest fifth is part of the glaciated Missouri Plateau that has integrated drainage and thin drift, and the rest is part of the Missouri Coteau, which has thick drift and nonintegrated …