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 (electoral district) city of Sault Ste. Marie and some immediately surrounding communities. It consisted initially of the City of Sault Ste. Marie and the Township of Prince. In 1976, it was redefined to consist of the part of the City of Sault Ste. Marie east of Allen's Side Road and south of the Second Line. In 1987, it was redefined to consist of the part of the City of Sault Ste. Marie lying south of Third Line and the part of Rankin Location 15D lying within the city limits. In 1996, it was redefined to consist of the City of Sault Ste.