Text: Explanatory Data. Weed Sheet. Index Map: Index to Geologic Mapping used in Compilation.

1963

California Division of Mines and Geology

A Diagram of a Portion of Oregon Territory

1851

U.S. General Land Office

Map of Oregon Territory West of Cascade Mountains

1855

U.S. General Land Office

1:1m

Oregon playground map

1936

Oregon Recreational Service

Diagram of a Portion of Oregon Territory, 1852

1852

U.S. General Land Office

1:634k

America's Greatest Scenic Asset, The Columbia River Highway, Portland, Oregon.

1923

Routledge, Fred A. (1873- )

Western part of Oregon

1899

Cram, George Franklin, 1841-1928

1:755k

Lower Oregon and Upper California.

1853

Tennent, Thomas

1:1m

Map of Oregon Territory West of Cascade Mountains

1858

U.S. General Land Office

1:1m

Northern Boundary of California to Columbia River.

1861

Williamson, R.S.

1:760k