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John C. Frémont

  • John Charles Fremont

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    Military officer, explorer, and politician John Charles Fremont (1813-90) led several expeditions through present-day Colorado from 1843-53. His travels through Northern Colorado in 1843 helped create a series of famous Oregon Trail maps.
    John Charles Fremont
  • Fremont's 1843 Route - Fort St. Vrain

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    Seeking an overland route through the Rocky Mountains, John C. Fremont's expedition crossed the plains in 1843 and resupplied at Fort St. Vrain in present-day Weld County.
    Fremont's 1843 Route - Fort St. Vrain
  • Fremont's 1843 Route - Eagle's Nest Open Space
  • Fremont's 1843 Route - Big Thompson Crossing
  • Fremont's 1843 Route - Fort Collins Tracks

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    After crossing the Big Thompson River near present-day Loveland, John C. Fremont's 1843 expedition proceeded to present-day Fort Collins, following the northwest route of these railroad tracks into the Poudre Canyon.
    Fremont's 1843 Route - Fort Collins Tracks
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Stephen C. Schell, Following John C. Frémont’s Trail Through Northern Colorado, 1843 (Fort Collins, CO: C Schell Press, 2010).

Mary Lee Spence, ed., The Expeditions of John Charles Frémont, vol. 3: Travels From 1848 to 1854 (Urbana: University of Illinois Press, 1984).

Additional Information: 

Gertrude Barnes, “Following Frémont’s Trail Through Northern Colorado,” Colorado Magazine 18–19, 1941–42.

Edmund C. Bray and Martha Coleman Bray, Joseph N. Nicollet on the Plains and Prairies: The Expeditions of 1938–39, With Journals, Letters, and Notes on the Dakota Indians (St. Paul: Minnesota Historical Society Press, 1976).

Diane Brotemarkle, Old Fort St. Vrain (Self-published, 2001).

Charles H. Carey, The Journals of Theodore Talbot 1843 and 1849–52 with the Frémont Expedition of 1843 and the First Military Company in Oregon Territory 1849–52 (Portland, OR: Metropolitan Press, 1931).

John Charles Frémont, Memoirs of My Life (New York: Cooper Square Press, 2001).

Edward G. Gudde and Elizabeth K Gudde, eds., Exploring With Frémont: The Private Diaries of Charles Preuss, Cartographer for John C. Frémont on His First, Second, and Fourth Expedition to the Far West (Norman: University of Oklahoma Press, 1958).

Donald Jackson and Mary Lee Spence, eds., The Expeditions of John C. Frémont, vol. 1: Travels from 1838 to 1844 (Urbana: University of Illinois Press, 1970).

Allan Nevins, Frémont: Pathmaker of the West (Lincoln: University of Nebraska Press, 1939).

Milo Milton Quaife, Kit Carson’s Autobiography (Chicago: Lakeside Press, R. R. Donnelley Press, 1935).

Rufus Sage, Rocky Mountain Life or Startling Scenes and Perilous Adventures in the Far West During an Expedition of Three Years (Boston: Milton F. Hewes & Co., 1857).