On what part of the Oregon-California Trail were emigrants most at risk from Indians?
Of the emigrants who were killed by Indians, about 90% were killed west of South Pass, mostly along the Snake and Humboldt Rivers or on the Applegate Trail to the southern end of the Willamette Valley. [John Unruh, Jr. The Plains Across: The Overland Emigrants and the Trans-Mississippi West, 1840-60, p.
