Great Shoot or Rapid.

1814

Lewis, Meriwether

Columbia Highway America's Premier Scenic Asset.

1915

Portland Chamber of Commerce

Opening of the Cascade Locks. Morning Oregonian. An Open River to the Sea.

1896

Routledge, Fred A., 1873-1936

The Columbia River : Through the Cascade Mountains to the Pacific Ocean

1905

Oregon Railway and Navigation Company

(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

Oregon Cascades.

1918

Routledge, Fred A., 1873-1936

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

1919

Oregon Commercial Studio

Washington Territory Lying West of the Cascade Mountains,1857

1857

U.S. General Land Office

1:1m

Map of Oregon Territory West of Cascade Mountains

1855

U.S. General Land Office

1:1m

Land grant W. Wash. & N. Oregon.

1888

Northern Pacific Railroad Company

1:380k