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
Old Federal Building (Sault Ste. Marie) Old Federal Building (Sault Ste. Marie) The United States Post Office (also known as the Old Federal Building) at 209 East Portage Avenue in Sault Ste. Marie, Michigan, is an historic building which has served various purposes since its construction in the early 20th century. The building was listed on the National Register of Historic Places on September 9, 1977. In 1822, Fort Brady was constructed on this site. In 1893, Federal troops abandoned the fort in favor of new location closer to the center of the Soo canal. The old fort site was reserved for the construction of a