From the field notes and journals of Capt. J.C. Fremont and from sketches and field notes made on the ground by his assistant Charles Preuss. Each is section is about 26 x 16". Together the seven cover the region "commencing at the Mouth of the Kansas in the Missouri River, and Ending at the Mouth of the Wallah Wallah in the Columbia," thus the Oregon Trail Route. Topography is in more detail than in Fremont's parent map. Each sheet is filled with descriptive comments from Fremont's narrative, thus providing a legitimate guide for emigrants at the time. A matching and complete set of seven scarce maps.

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Condition: A

One tiny area of repaired loss at fold intersection. A little toning on some sheets, a few closed splits, else very good. Sheet VII with binding roughness at bottom margin, still all very good.