Note 121 — Chapter VIII · FINAL DISCOVERY IN 1869 AND 1870
Reading edition
C. W. Cook and D. E. Folsom, “Cook-Folsom Expedition to the Yellowstone Region 1869,” Haynes Bulletin (Jan. 1923).
Reading edition
C. W. Cook and D. E. Folsom, “Cook-Folsom Expedition to the Yellowstone Region 1869,” Haynes Bulletin (Jan. 1923).