The garrison, which originally held about 30 men, was built beginning in the autumn of 1700 under the direction of Pierre-Charles Le Sueur, a French trader and explorer interested in mining a blue clay that he thought was copper ore.
Starting in the fall of 1700, the garrison, which originally consisted of roughly 30 soldiers, was built with direction from Pierre-Charles Le Sueur. He was a French trader and explorer who was intrigued by mining blue clay that he thought might be copper ore.