Washington Territory Lying West of the Cascade Mountains,1857
1857|U.S. General Land Office1:1 140 480
A Diagram of a Portion of Oregon Territory
1851|U.S. General Land Office
Composite: (Sheets 1-4) Map Of Washington Territory West of the Cascade Mountains. Compiled from the Government Surveys by Chas. A. White, C.E. 1870. Engraved, Printed, Manufactured And Published By G.W. & C.B. Colton & Co. No. 172 William St. New York.
1870|White, Charles A.1:253 440
Map of Oregon Territory West of Cascade Mountains
1855|U.S. General Land Office1:1 140 480
Diagram of a Portion of Oregon Territory, 1852
1852|U.S. General Land Office1:633 600
Northern Boundary of California to Columbia River.