A long line of concrete trucks wait on the top of Oroville Dam to deliver concrete for the erosion repair work at the base of the Oroville Dam emergency spillway February 17, 2017 in Oroville, California. Repairs continue on the spillway and water is being released from the lake to reduce the risk of failure at the nation's tallest dam. (Brian Baer/California DWR via Planetpix)

---

Size: 6239px × 4119px
Photo credit: © Planetpix / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: california, concrete, dam, day, disaster, dwr, embankment, emergency, engineering, erosion, evacuation, failure, feather, horizontal, hydropower, infrastructure, lake, landmark, natural, oroville, outdoors, reservoir, resource, river, spillway, tallest, trucks, water