Nearly 1,600 meters below the surface of South Dakota, workers removed 800,000 tons of rock and built two giant caverns without a single serious accident — inside them, scientists will install the world’s largest underground cryogenic detector
Click Oil and Gas, April 23, 2026
The Underground Construction Association awarded the LBNF project the 2026 Project of the Year award to the teams who removed over 800,000 tons of rock from this extreme depth.