If this photograph is yours, tell us. We review every claim that comes with evidence, and we would rather lose a picture than keep one that someone else holds the rights to.
28. Photographic copy of photograph, photographer unknown, 15 October 1913 (original print located at U.S. Bureau of Reclamation Upper Columbia Area Office, Yakima, Washington). "Placing concrete in core-wall from concrete cars operating on the trestle." - Keechelus Dam, Yakima River, 10 miles northwest of Easton, Easton, Kittitas County, WABaker River Dam, Concrete, WACredit: Library of Congress (HABS/HAER)Rights: public domain · photograph #20301
Evidence is required. A claim without a link to evidence that you hold the rights is not reviewed. That is what stops anyone from removing a photograph with a bare assertion.