Mouth of Columbia River.

1815

Lewis, Meriwether

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

1936

McBean, K.

Columbia River Entrance, Cape Disappointment.

1946

Bascom

Mouth of Columbia River.

1814

Lewis, Meriwether

North Beach Washington on Line of Union Pacific System.

1918

Routledge, Fred A., 1873-1936

Approaches to the Columbia River

1884

C&GS

1:20k

Navigation Chart of Columbia River

1884

C&GS

1:200k

Ship Wreaks Near Columbia River

1938

Rio Colombia.

1844

Duflot de Mofras, Eugene

1:310k

Columbia Highway America's Premier Scenic Asset.

1915

Portland Chamber of Commerce