The American Board of Commissioners for Foreign Missions maintained three principal missionary outposts in the Oregon Country: in 1836-37, the missions at Waiilatpu and Lapwai (near the modern cities of Walla Walla, Washington, and Lewiston, Idaho, respectively) were built, and in 1838 the ABCFM reinforced … Continue reading ELKANAH AND MARY WALKER – EMIGRANTS OF 1838