1834.—Lee, Rev. Jason.—Established the first Mission in the Willamette valley, ten miles below the present Salem.—(History of the Willamette Valley, page 208).
1840.—Established a Methodist Mission at the Willamette Falls.—(Pacific States, vol. 23, page 607).
1805-6.—Lewis and Clarke.—Spent the winter at the mouth of the Columbia.—(Oregon,—Moseley, page 8).
Lewis River.—The North Fork was known among Indians as Wicht, and was considered the main river. The South Fork was known as Wa-co-ko, a Pike, (fish); also Yac-co, for Yac-co prairies, near Mt. St. Helens.
1789.—Mackenzie River.—Named for Alexander Mackenzie.—(Zell's Encyclopedia, vol. 2, page 264).
1793.—Mackenzie, Sir Alex.—Reached the Pacific overland, July 22.—(Barrows' Oregon, page 34).
1812.—McKenzie, Donald.—Explored the Willamette Valley one hundred miles or more.—(Pac. States, vol. 23, page 195).
1818.—McKenzie established Ft. Walla Walla.—(Pac. States, vol. 23, page 273).
1825.—McLaughlin, John..—Established Fort Vancouver, introduced live stock, fruit, vegetables, grain, etc.
Took possession of Willamette Falls.—(Pac. States, vol. 23, pages 441 and 505).