A library in Hibbing stores not books but hundreds of thousands of rock samples drilled from deep beneath Minnesota.

Featuring a bit capacity of up to 6¼ in. maximum and a minimum bit size of 5/16 in., the DD 110-W hand-held core drill offers both wet and dry coring capability in reinforced concrete and masonry ...

Diamond core drills are primarily rented by mechanical and utility contractors, plumbers and stone masons for drilling holes in walls, ceilings, floors and roads. They can be a small but important ...

RMR Industrials is trying to use a water study to drill exploratory holes at its quarry without a county permit, according to Garfield County staff. The hydrology study is one of several required ...