It was about 1875 that Gen. W. H. Beadle wrote a rather comprehensive review of the geological history and formation of the Dakota Territory. The southern part of the territory belongs to the Cretaceo…
It was about 1875 that Gen. W. H. Beadle wrote a rather comprehensive review of the geological history and formation of the Dakota Territory. The southern part of the territory belongs to the Cretaceo…
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