Thoreau writes in his journal:
9.30 A.M.—Surveying near Strawberry Hill for Smith and Brooks . . . (Journal, 6:17-18).
Acton, Mass. Thoreau surveys a woodlot for Simon Hapgood (A Catalog of Thoreau’s Surveys in the Concord Free Public Library, 8; Henry David Thoreau papers. Special Collections, Concord (Mass.) Free Public Library).