Copyrighted official map of the California - Oregon - Washington - Tourist Association

1927

California-Oregon-Washington Tourist Association

Famous Columbia River Highway, Portland, Oregon.

1923

Routledge, Fred A. (1873- )

Northern Boundary of California to Columbia River.

1861

Williamson, R.S.

1:760k

Follow your Flight : Seattle to Portland

1953

Western Air Lines

Oregon and Washington.

1874

Johnson, A.J.

1:3m

Oregon and Washington Territory.

1882

Cram, George Franklin

1:2m

(Pacific Northwest - Washington and Oregon).

1938

Petrucelli, A.

Physiographic Diagrams of Mount St. Helens, Washington, Showing Changes in its Summit Crater, Summer 1981.

1988

Leighley, Terry

Physiographic Diagrams of Mount St. Helens, Washington, Showing Changes in its Summit Crater, Summer 1980.

1981

Jones, David R.

Colorado. Indian Territory (Oklahoma).

1886

Johnson, A.J.

1:2m