March 6, 2009 in Nation/World
File Associated Press photo

Workers at the Yucca Mountain project begin their day at the tunnel’s entrance in this 2000 photo. The government spent $13.5 billion to develop the site for storage of high-level nuclear waste; the Obama administration has pulled the plug on the project.

File Associated Press photo

Associated Press For two decades, this ridge of volcanic rock 90 miles northwest of Las Vegas known as Yucca Mountain has been the sole focus of government plans to store highly radioactive nuclear waste.