North Beach Washington on Line of Union Pacific System.

1918

Routledge, Fred A., 1873-1936

Shoalwater Bay, Wash.

1853

Bache, A. D.

1:80k

Ship Wreaks Near Columbia River

1938

Mouth of Columbia River.

1815

Lewis, Meriwether

Leadbetter Point and Willapa Bay entrance.

1946

Bascom

Mouth of Columbia River.

1814

Lewis, Meriwether

Columbia River Entrance, the Wrecks and a Marine History of its Development.

1936

McBean, K.

Entrance to the Columbia River

1886

Corps of Engineers

1:60k

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