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historicalmarkerproject/markers/HM1PXL_whetstone-valley-rest-area_Wilmot-SD.html

You are standing on top of the Coteau des Prairies (Hills of the Prairies) overlooking the rich Whetstone Valley. This landscape was carved out some 20,000 years ago by a massive glacier which extended approximately 2,000 feet above where you now …

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