Rio Colombia.

1844

Duflot de Mofras, Eugene

1:310k

Svensen

1955

1:63k

Svensen

1955

1:63k

Svensen

1955

1:63k

Svensen

1940

1:63k

Astoria

1939

1:63k

Columbia River Entrance to Harrington Point. U.S.C. & G.S. 6151

1945

United States Department of Commerce.

1:40k

Navigation Chart For the Columbia River, Sheet No. 2

1871

C&GS

1:40k

Cannon Beach

1955

1:63k

Cannon Beach

1955

1:63k