Elmwood (Sault Ste. Marie, Michigan) now Missouri and Arkansas, and in 1820 he was the topographer on an expedition through the upper Mississippi River and Lake Superior regions. After publishing an 1821 book on his travels, Schoolcraft was appointed in 1822 as US Indian agent at Sault Ste. Marie. There, Schoolcraft accepted an invitation from John Johnston to stay at his house. In 1823, Schoolcraft married Jane Johnston Schoolcraft, daughter of Johnston and his wife "Ozhaguscodaywayquay", herself the daughter of Ojibwe war chief "Waubojeeg", After their marriage, the couple continued to live in the Johnston house. The Schoolcrafts had four children: William (1824), who died
Sault Ste. Marie, Michigan from in January to in July. On average, only two out of every five years reaches , while there are 85.5 days annually where the high remains at or below freezing and 26.5 nights with a low of or colder. Average monthly precipitation is lowest in February, and highest in September and October. This autumn maximum in precipitation, unusual for humid continental climates, owes to this area's Great Lakes location. From May through July (usually the year's wettest months in most of the upper Midwestern United States, away from large bodies of water), the lake waters surrounding Sault Ste. Marie