Northern Boundary of California to Columbia River.

From the Northern Boundary of California to the Columbia River from Explorations and Surveys made under the direction of the Hon. Jefferson Davis Secretary of War by Lieut. R.S. Williamson, U.S. Topl. Engrs. and Lieut. H.L. Abbot, U.S. Topl. Engrs., H.C. Fillebrown, J. Young and C.D. Anderson, Assts. 1855. Explorations and surveys for a railroad route from the Mississippi River to the Pacific Ocean. War Department. Routes in Oregon and California. Map No. 2. Drawn by John Young. Engd. by Selmar Siebert.

Williamson, R.S.

1861

1861

A.O.P. Nicholson I-XI

1:760 320

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