First came COVID-19, then a major reconstruction project and, finally, a flood. Tours will resume on Memorial Day weekend.

After two seasons of closure for repairs, the underground mine tours at Lake Vermilion-Soudan Underground Mine State Park are ...

Pandemic, reconstruction and flooding led to multiple hiatuses for attraction in state park near Lake Vermilion ...

Public tours of an underground mine with a deep vein of northern Minnesota history will begin again nearly two years after flash flooding abruptly made it off-limits. Time was needed for repairs, and ...

The historic iron mine in St. Louis County has been closed for the past two seasons.

Underground mines operate with limits on visibility and awareness. Tech such as V2X and wearables are improving response times: mine safety ...