Tagged: South Dakota

In Lead, S.D., a steel cage drops almost a mile below ground into the Sanford Underground Laboratory. It's formerly the deepest underground gold mine in North America, and when it closed a decade ago, state officials hoped that an underground science laboratory along with on-site university classes could spur economic development.

As numerous fires continue to burn across Colorado and the western United States, the fatal crash of a key part of the firefighting effort concerned officials battling the blazes.