This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Downstream view from the right end of the spillway bucket showing concrete pouring operations on the crib cutoff... NARA .tif Scope and content General notes Local identifier Department of Defense Department of the Army Office of the Chief of Engineers Los Angeles District NARA's Pacific Region Riverside NRHAR Cajalco Rd Perris