Tshimakain, the American Board's Spokane Mission, 1843. (Reproduced in James R. Gibson, Farming the Frontier: The Agricultural Opening of the Oregon Country 1786-1848. Seattle, University of Washington Press, 1985. Plate 16, p. 156. Sketch by Charles Geyer. Papers of Elkanan and Mary Richardson Walker, 1821-1938. Washington State University Library, Pullman.)