Cite web page as: Miscellaneous Land Surveys: survey notes, recto, undated, by unknown. MHi15 [electronic edition].
Thomas Jefferson Papers: An Electronic Archive. Boston, Mass. : Massachusetts Historical Society, 2003. http://www.thomasjeffersonpapers.org/
Original manuscript: unknown. Miscellaneous Land Surveys: survey notes, 1 sheet, 2 pages undated. MHi15. Dimensions: 23.3 cm x 20.3 cm (9-3/16" x 8"). Original manuscript from the Coolidge Collection of Thomas Jefferson Manuscripts, Massachusetts Historical Society.