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20 GEOLOGY OF THE HILL COUNTRY northern Minnesota and the eastern half of North Dakota, projected south somewhat in the form of two ice lobes. This; ice-sheet had never extended any farther west than the Missouri Coteau or the high hilly land between Mouse river and the Missouri. The junction of the...
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| Language: | unknown |
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State Historical Society of North Dakota
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| Online Access: | http://cdm16921.contentdm.oclc.org/cdm/ref/collection/ndsl-books/id/55471 |