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■24 MORAINE TOWNSHIP and the-sediments that were deposited in the ancient lake. At its highest level the waves of this lake washed the base of the hills and threw up the gravel, ridges that were long since recognized as the shore line of the lake. But the hill country lay above the reach of the wate...
| Format: | Text |
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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/55475 |