Rio Colombia.

1844

Duflot de Mofras, Eugene

1:310k

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

The Morning Oregonian, Cascade Locks Edition, December, 1896.

1896

Routledge, Fred A., 1873-1936

Catsops Plain. Tillamook Head.

1946

Bascom

Navigation Chart of the Columbia River, Sheet No.2, From Astoria to Katalamet Head

1841

US Ex. Ex.

1:24k

Map Of Astoria And Environs, Oregon

1890

Jackson, Henry & Co.

1:25k

Navigation Chart For the Columbia River, Sheet No.1, Entrance to Upper Astoria

1903

C&GS

1:40k

Oblique Map of Willapa Bay, Washington.

1978

Alpha, Tau Rho

Mouth of Columbia River.

1815

Lewis, Meriwether