HOUGHTON, Michigan, Jan. 6 -- Michigan Technological University issued the following news release: * * * Michigan Tech Researchers Bring Forgotten Underground Mines into a 3D Future What began as a stack of fragile, century-old mine maps is being transformed into an immersive 3D window into the past by archaeologists, energy policy experts and data scientists at Michigan Technological University. One of the most promising frontiers of discovery isn't "out there" -- it's beneath our feet. Und more PR