: | "Map 97.1841 United States Exploring Expedition, 1838-1842. htt . Map of the Oregon territory. 1841. | [Washington, 184-.] Size, 22 x 34% inches. Scale (computed), 46 miles to 1 inch. Folded. Submap. — Columbia River. Two copies.
| [This work is kept on the Special Libraries Floor.]
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Sere Sept. 3, 1901
E1338 — Oregon, Geog. Maps.