This untitled Mexican-American War map shows the southern California coast. It names San Diego, Capistrano, San Gabriel, Angeles, Monterey, and Santa Clara. A road extends from San Diego north to the San Francisco peninsula then to Sonoma and ends at Sutter's Mill (Suters) where gold would be discovered the following year. A table gives the distance between major posts and the number of soldiers posted at each. The troops of the Mormon Battalion are not included "as their term of service expires in July." The map is dated June 19, 1847 and is signed in the plate, "Adjutant's Office, Monterey, California." Large inset details the Baja from C. San Lucas up to Loreto, locating La Paz and shows Guaymas on the mainland. An uncommon issue printed by the P.S. Duval company of Philadelphia.

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Condition: B+

Issued folding with some light scattered foxing and an edge tear that just enters the neatline at left and has been repaired on verso with archival tape. Toning along the sheet's top edge.