Lance Lopez, left, with Kiewit Alberici Joint Venture and Mike Andrews with Fermi Research Alliance descend into the Ross Ore Pass on an open cage. Photo: Matthew Kapust, Sanford Underground Research Facility
Lance Lopez, left, with Kiewit Alberici Joint Venture and Mike Andrews with Fermi Research Alliance descend into the Ross Ore Pass on an open cage. Photo: Matthew Kapust, Sanford Underground Research Facility