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Map of Oregon and upper California from the surveys of John Charles Frémont and other authoritiescartographic materialحسب Frémont, John Charles, 1813-1890
منشور في 1848 -
Map of Oregon and upper California from the surveys of John Charles Fremont and other authoritiescartographic materialحسب Preuss, Charles, 1803-1854
منشور في 1848 -
Topographical map of the road from Missouri to Oregoncommencing at the mouth of the Kansas in the Missouri River and ending at the mouth of the Wallah Wallah in the Columbia;cartographic material
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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 Columbiain VII sectionscartographic materialحسب Preuss, Charles, 1803-1854
منشور في 1849