Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.

Photographer: Barry Swackhamer
Taken: August 13, 2020
Caption: The Mill Creek Tunnel Marker
Additional Description: Captions: (top left) From the Air... This aerial photo of the Dalles shows some familiar landmarks - Thompson Park, the Chamber of Commerce, and the Columbia River. The red line illustrates the location of the Mill Creek Tunnel, built to channel the stream and make way for development.; (bottom left) Making Way for Development. Prior to construction of the Mill Creel Tunnel, crews made way for railroads, highways, and buildings by filling the surrounding delta with sand that was hauled in by trains.; (top right) A Profile in Flooding, Water enters the Mill Creek Tunnel just six feet higher than the outlet. During high water times the Bonneville Pool of the Columbia River can rise to a level covering the mouth of the outlet causing water to back up through the tunnel and flood.; The Flood of 1894. The Dalles downtown area and Mill Creek delta were inundated with water during the Flood of1894.
Submitted: October 22, 2020, by Barry Swackhamer of Brentwood, California.
Database Locator Identification Number: p545160
File Size: 3.383 Megabytes

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