At the end of the year, South Dakota's oldest and largest gold mine closes. For 125 years Homestake Gold Mine has defined the Black Hills town of Lead (LEED). A group of scientists say the mine can still have a bright future. As a premiere research facility. Plans for the Homestake National Underground Science Laboratory are tied up in legal and legislative wrangling. But scientists who already work in a portion of the gold mine say it'll be the biggest thing for science and the Midwest since the discovery of gold. Mainstreet Radio's Cara Hetland reports: