Frémont, J. C., & Preuss, C. Topographical map of the road from Missouri to Oregon: Commencing at the mouth of the Kansas in the Missouri River and ending at the mouth of the Wallah Wallah in the Columbia.
Cita Chicago Style (17a ed.)Frémont, John Charles, y Charles Preuss. Topographical Map of the Road from Missouri to Oregon: Commencing at the Mouth of the Kansas in the Missouri River and Ending at the Mouth of the Wallah Wallah in the Columbia. n.p.
Cita MLA (8a ed.)Frémont, John Charles, y Charles Preuss. Topographical Map of the Road from Missouri to Oregon: Commencing at the Mouth of the Kansas in the Missouri River and Ending at the Mouth of the Wallah Wallah in the Columbia.
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