A history of Richland County and the city of Wahpeton, North Dakota
2 A HISTORY OF RICHLAND COUNTY AND THE CITY OF WAHPETON In the Glacial Period, which followed the Tertiary, great ice sheets pushed out from the Hudson Bay region and covered much of North America. Twice the ice advanced over North Dakota, at one time covering nearly all the State east and north of...
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Language: | unknown |
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North Dakota State Library
2014
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Online Access: | http://cdm16921.contentdm.oclc.org/cdm/ref/collection/ndsl-books/id/9932 |