Ancient River Warren Channel
Ancient River Warren Channel
A channel cut by the Ancient River Warren during the Ice Age, Ancient River Warren Channel contains the Hudson Bay-Gulf of Mexico divide. A lake on each side of the channel provides evidence of the irregularities in Ice Age sedimentation.
Location: Big Stone County, MN ; Big Stone County, MN ; Traverse County, MN ; Traverse County, MN ; Grant County, SD ; Grant County, SD ; Roberts County, SD ; Roberts County, SD
Year designated: 1966
Acres: 101,560
Ownership: State, Private
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