Map of Oregon and upper California, from the surveys of John Charles Frémont and other authorities, 1848
Map of southern Oregon and northern California : compiled from the best authorities, and from personal surveys and explorations, exhibiting a reliable view of the rich gold region of the north, as well as the mineral region of middle California : embracing also a corrected chart of the coast from San Francisco Bay, to the Columbia River agreably [sic] to the late United States Coast Survey / by N. Scholfield, 1851
Essayons topographical map of California, Nevada, Oregon and part of Idaho / prepared from field surveys and other reliable data under the direction of Bvt. Lt. Col. R.S. Williamson ; drawn by W.B. Hyde, 1867