File Township Survey Maps, Lapeer, Livingston, Marquette counties, undated Box 1, F 9 In: Douglass Houghton Papers, 1830-1846, 1995, and undated » Douglass Houghton Papers
File Township Survey Maps, Oakland County, undated Box 1, F 10 In: Douglass Houghton Papers, 1830-1846, 1995, and undated » Douglass Houghton Papers
File Township Survey Maps, Saginaw County, undated Box 1, F 11 In: Douglass Houghton Papers, 1830-1846, 1995, and undated » Douglass Houghton Papers
File Township Survey Maps, Shiawassee County, undated Box 1, F 12 In: Douglass Houghton Papers, 1830-1846, 1995, and undated » Douglass Houghton Papers
File Township Survey Maps, Tuscola, Wayne, unidentified counties, undated Box 1, F 13 In: Douglass Houghton Papers, 1830-1846, 1995, and undated » Douglass Houghton Papers
File Transcriptions of 1845 Fieldnotes,Vols. 1-2 (copies), 1995; Letter to Clarke Librarian (copy), 1995, 1995 Box 1, F 14 In: Douglass Houghton Papers, 1830-1846, 1995, and undated » Douglass Houghton Papers
File Field Survey Notebooks, v. 1, Lower Peninsula, July 15-August 13, 1837; v. 2, Lower Peninsula, August 28-September 24, 1837; v. 3, Southern Part of the Lower Peninsula, September 25-October 15, November 10-16, 1837; v. 4, Lower Peninsula, AuSable River, Bois Blanc and Mackinac Islands, etc., May 19-November 1838, 1837-1838 Box 1, F 15 In: Douglass Houghton Papers, 1830-1846, 1995, and undated » Douglass Houghton Papers
File Field Survey Notebooks, v. 5, Calhoun County, Pontiac, Mackinac Island, Menominee River, Drummond Island, etc. (includes phonetic "indigenous" phrases), May 15-August 31, 1839; v. 6, Mackinac Island, Tahquamenon River, Copper Harbor, Presque Isle, Montreal River, Manitou Island, etc., May-July 1840; v. 7, Salt Springs, Saline, etc., undated, 1839-1840, undated Box 1, F 16 In: Douglass Houghton Papers, 1830-1846, 1995, and undated » Douglass Houghton Papers
File Miscellaneous Volumes, v. 8, Notes on Varieties of Trees in Lapeer (?) County, undated; v. 9, Cash Book, Filed Notes, May 1845, Lists of Persons Employed for Research, 1845, undated; v. 10, Index of Names, undated, 1845, undated Box 1, F 17 In: Douglass Houghton Papers, 1830-1846, 1995, and undated » Douglass Houghton Papers