Fall 1820
The expedition party, on its return down the lake, was becalmed near the islands in Lake Erie; Schoolcraft took a boat accompanied by Maj. Delafield.
The regionGrade A · 1 independent source
The evidence
“** On our return down the lake last fall, (1820) we were becalmed near the Islands in Lake Erie—I took a boat and accompanied by Maj. Delnfield.”
1821-schoolcraft-narrative-journal/01-new-york-to-detroit.md, PDF p. 61 / book p. 49
Schoolcraft, Henry R. Narrative Journal of Travels through the Northwestern Regions of the United States, Extending from Detroit through the Great Chain of American Lakes, to the Sources of the Mississippi River, Performed as a Member of the Expedition under Governor Cass, in the Year 1820. Albany: E. & E. Hosford, 1821. Library of Congress copy via the Internet Archive, archive.org/details/narrativejournal01scho.
Grade A: Found on a page of one of our sources