Elmwood (Sault Ste. Marie, Michigan) Elmwood to Charles T. Harvey, who supervised the construction of the first Soo Locks while living in the house. Sault Ste. Marie merchant and businessman Peter Barbeau purchased the building in 1874 when the government sold it. Around the 1880s, substantial Queen Anne-style alterations were done to the building, diminishing the "classical elegance" of the original design. Around 1900, the building, along with a swath of the surrounding shoreline, was sold to the Michigan Lake Superior Power Company. It was used as an office building, then lay vacant for decades wnile owned by Union Carbide. It was used in the
Sault Ste. Marie, Michigan on the lower (east) side of the Soo Locks. The United States Postal Service operates a "Marine Post Office", situated within the locks, to service ships as they pass through. The city is located at Latitude: 46.49 N, Longitude: -84.35 W. According to the United States Census Bureau, the city has a total area of , of which is land and is water. Under the Köppen climate classification, Sault Ste. Marie has a humid continental climate ("Dfb") with cold, snowy winters and warm summers. Sault Ste. Marie is one of the snowiest places in Michigan, receiving an average of of