Several boxes of rock core are pictured Monday, December 23, 2024. The Kansas Geological Survey’s library of drill cores, which currently includes over 73,000 boxes of rocks, is expanding to enhance ...

Kansas Geological Survey is expanding library and laboratory space at the University of Kansas for research on rock cores. This image is of preserved core brought up from more than 3,660 feet ...

A library in Hibbing stores not books but hundreds of thousands of rock samples drilled from deep beneath Minnesota, offering a unique resource for researchers and industry. The Minnesota DNR’s Drill ...