Somewhere along Sheridan Rapid’s Road is something known locally as Grinding Rock orJacob’s Well.Potholes (also called Rockmills or Giant’s Kettles) are round depressions in solid rock ranging from very small to many feet in diameter and depth. Jacob’s Well is actually a deep hollowed rockon the right hand side of the road between the 3rd and 2nd concessions of Dalhousie.
Legends has it that it the geological formation called a kettle was used by the Algonquin First Nations for grinding corn. The native population was still present in this area when European settlers began to arrive, and thenumber of artifacts found in this area indicates that there was certainly a native presence here. Archaeological research has proven that potholes were indeed used by ancient peoples.
In the days when the Mississippi River was larger, a piece of hard granite traveling over softer stone would have caught the eddies…
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