Lower Falls of the Columbia.

1815

Lewis, Meriwether

Plate XXXVII. Mount Rainier Forest Reserve, Washington, Distribution of Fir (Pseudotsuga taxifolia).

1900

Plummer, Fred G.

1:766k

Columbia Highway America's Premier Scenic Asset.

1915

Portland Chamber of Commerce

(Sheet 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.

1:253k

Plate XLII. Mount Rainier Forest Reserve, Washington, showing distribution of red cedar (Thuja plicata).

1900

Plummer, Fred G.

1:766k

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 Summit Crater, July 1, 1982.

1983

Alpha, Tau Rho

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

1981

Jones, David R.

Physiographic Diagrams of Mount St. Helens and Vicinity, Washington, 1980 - Continued.

1980

Jones, David R.

Physiographic Diagrams of Mount St. Helens . Effects of Eruption through June 1980.

1980

Jones, David R.