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Michigan Geological Survey files includes business records of the survey (daily journal, lists of applicants, reports, and miscellanea); field notes of A. D. White, A. E. Dolbear, E. A. Strong, and A. S. Wadsworth while working on the survey; reports of A. O. Currier and J. B. Steere on their work for the survey, and drafts of Winchell's survey reports, including the never-finished 1871 final report of the survey (which contains a report on Michigan forests by C. B. Headley).

(southern Lower Peninsula)

(Grand Traverse Bay region)

(also includes field notes, 1870, of S. R. Winchell [Delta County])

(Manistee/Ludington region)

(Manistee / Ludington region)

(Higgins Lake / Muskegon River region)