Oroville Dam’s spillway fractured last February. Back in the 1960s, a contractor working on the dam told the California Department of Water Resources it needed to dig deeper to find stronger rock.

The Oroville Dam main spillway is flowing at 55,000 cubic feet per ... An independent review panel released a report in September that found the Oroville spillway, which was built in 1968, had ...

This earthen dam was built on the Feather River in 1968 to capture storm-water and snow-melt runoff from the Sierra Nevada and store it in Lake Oroville.

America’s tallest dam was built from earth, stone and concrete – and the towering ambition of Gov. Pat Brown. Sixty years before a crisis at Oroville Dam sent thousands fleeing for their lives ...

The report noted the spillway wasn’t built thick enough originally, ... Oroville Dam is the tallest dam in the United States, at 770 feet high.

That Oroville earthquake was similar to a well-established example of a human-triggered quake seen after the construction of the Koyna Dam in western India in 1962.

Ruins of the main spillway at Oroville Dam reveal a blend of "fresh" (blue-gray) rock and "weathered" (reddish-brown) rock underneath. (Calif. Dept. of Water Resources) Engineers at Oroville Dam ...

Good morning. I’m Paul Thornton, The Times’ letters editor, and it is Saturday, Feb. 18, 2017*. President Trump will be in Florida today to kick off his 2020 reelection bid with a campaign ...

Led by Kiewit, a contractor from Omaha, Nebraska, that built Los Vaqueros Dam in Contra Costa County in the 1990s, construction workers are also shoring up Oroville’s emergency spillway, with a ...

Oroville Dam operators seek to reduce flood risk as California's second-largest reservoir ... Lake Oroville, built on the Feather River about 70 miles north of Sacramento by former Gov. Pat ...