Damage closes John Day Lock, slows Columbia River traffic — Columbia Community Connection News Mid-Columbia Region
![Completed John Day Lock And Dam (Engineer recruitment program) | Columbia River Basin Project: Dam Construction in the Pacific Northwest Completed John Day Lock And Dam (Engineer recruitment program) | Columbia River Basin Project: Dam Construction in the Pacific Northwest](https://objects.lib.uidaho.edu/crbp/crbp1235.jpg)
Completed John Day Lock And Dam (Engineer recruitment program) | Columbia River Basin Project: Dam Construction in the Pacific Northwest
![September, 2018 - Photo collection of the making of the John Day Lock & Dam, 50 years ago — Sherman County Historical Museum September, 2018 - Photo collection of the making of the John Day Lock & Dam, 50 years ago — Sherman County Historical Museum](http://static1.squarespace.com/static/5a7b4bdd0abd046ac7668bf7/5a85e3c18165f56bd2e28cc4/5ad6a88888251b1b91e2193c/1539726569234/Sept+2018+Dam.jpg?format=1500w)
September, 2018 - Photo collection of the making of the John Day Lock & Dam, 50 years ago — Sherman County Historical Museum
John Day Dam storing water to minimize lower Columbia River flooding > Northwestern Division > Northwestern Division News Releases
![John Day Dam on the Columbia River in the Pacific Northwest region of... | Download Scientific Diagram John Day Dam on the Columbia River in the Pacific Northwest region of... | Download Scientific Diagram](https://www.researchgate.net/publication/260807017/figure/fig2/AS:269857405009959@1441350427646/John-Day-Dam-on-the-Columbia-River-in-the-Pacific-Northwest-region-of-the-USA.png)