Information about the Images

In order of appearance:

Columbia River Highway Home Page:

Latourelle Bridge postcard: Private Donation of Columbia River Highway postcards.

Introduction:

West End Shepperd's Dell postcard: Private Donation of Columbia River Highway postcards.

Postcards from Paradise:

Castle Rock postcard: Private Donation of Columbia River Highway postcards.

Mitchell Point Tunnel postcard (apparently misprinted as Storm Crest Tunnel on postcard): Private Donation of Columbia River Highway postcards.

Oneonta Bluff postcard: Private Donation of Columbia River Highway postcards.

Wah-kee-na Falls postcard: Private Donation of Columbia River Highway postcards.

More Postcards from Paradise:

Tooth Mountain Viaduct postcard: Private Donation of Columbia River Highway postcards.

Shepperd's Dell postcard: Private Donation of Columbia River Highway postcards.

East approach Shepperd's Dell postcard: Private Donation of Columbia River Highway postcards.

Good Roads to Tourism:

Governor Oswald West proclamation, April 22, 1914: Secretary of State Official Documents.

Multnomah County letter: Oregon Department of Transportation, Highway Division, State Highway Engineer Correspondence

Clatsop County letter: Oregon Department of Transportation, Highway Division, State Highway Engineer Correspondence

The Oregon Sunday Journal newspaper clipping, 10/25/14: Oregon Department of Transportation, Highway Division, State Highway Engineer Correspondence folder "Multnomah 1914."

Lens and Pencil:

Oregon Department of Transportation, Highway Division Photograph #822, Crown Point.

Oregon Department of Transportation, Highway Division Harold Spooner drawing of Multnomah Falls

Oregon State Library, Photographs of the Columbia River and Oregon by Carleton Watkins, Castle Rock.