Journal of the overland expedition from the Willamette Mission, south of Vancouver, to San Francisco. Illustrated with 43 manuscript maps. Journal of the expedition to survey Gray’s Harbor and Shoalwater Bay.September 7, 1841-October 28, 1841engThere are two folded maps in the journal: “Map of the Oregon Territory by U.S. Ex. Ex. and the Columbia River, reduced from a survey made by the U.S. Ex. Ex. 1841. J. H. Young & Sherman V. Smith, New York.” 91 ½ x 63 cm. (See Wilkes’ Atlas, Map [4].) “Map of Upper California by U.S. Ex. Ex. and best authorities, 1841.” 31 x 27 cm. (See Wilkes, V, 151.)