Note 17 — Chapter II · JOHN COLTER’S DISCOVERY OF YELLOWSTONE
Reading edition
Francis Antoine Larocque, Journal (Sources of Northwest History No. 20, University of Montana), p. 20. Dee Linford says the name Yellowstone was used by David Thompson in 1798, but that Americans did not learn about the river until about 1805. See “Wyoming Stream Names,” Annals of Wyoming, XV, 3 (July, 1943), 269.