Captain Benjamin Bonneville's Wyoming Expedition: The Lost 1833 Report

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In 1832, Benjamin Bonneville led the first wagon train across the Continental Divide on the Oregon Trail. Financed by a rival of the Hudson’s Bay Company, Bonneville and more than one hundred traders and trappers traveled from Fort Osage on the Missouri River, up to the Platte River and across present-day Wyoming. Washington Irving first gave the U.S. Army officer a brand by chronicling the three-year explorations in the 1837 book The Adventures of Captain Bonneville. Historians have long suspected that the captain, under the guise of commercial fur trading, was preparing for an eventual invasion of Mexico’s California territory. Bonneville’s 1833 report concerning his first year in the Wind River Range and beyond remained lost for almost a century before resurfacing in the 1920s. Author Jett B. Conner examines the intriguing details revealed in that historic document.
ISBN: 9781467148641
Format: Paperback
Publisher: The History Press
State: Wyoming
Images: 60
Pages: 144
Dimensions: 6 (w) x 9 (h)
Jett B. Conner is Professor of Political Science Emeritus at Metropolitan State University of Denver. He received his PhD from the University of Colorado–Boulder and was awarded a National Endowment of the Humanities Summer Fellowship at Princeton University. Jett is a contributor to the Journal of the American Revolution (, where his book John Adams vs. Thomas Paine: Rival Plans for the Early Republic was selected for its annual series of JAR books.
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