Elon Musk referenced a Pennsylvania limestone mine where federal employee retirements are processed, but the mine's story is complicated.

The Mid-Continent Limestone Quarry on federal land outside of Glenwood Springs has operated since 1982 and is governed by the 1872 Mining Law. The ...

The state of Colorado denied a proposal submitted by Rocky Mountain Industrials (RMI) for an 18-acre quarry expansion last ...

It's a is a stunning destination for open water swimming, scuba diving, and paddleboarding in crystal-clear water ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

A new B3 crusher has been supplied to Heidelberg Materials’ Whatley Quarry. The Quarry Manufacturing & Supplies (QMS) designed, manufactured and supported cone crusher is now playing an integral role ...

In 1924 an Australian anthropologist and anatomist, Raymond Dart, acquired a block of calcified sediment from a limestone ...

It was a big year for Savage. The community mourned deaths that happened earlier this year. It also paused to remember tragic losses and events that happened as long as 10 years ago. But it ...

Some jobs stick with you. For Herb Hinz, this job was Republic Services of Minnesota, a garbage company where he worked for 38 years. Hinz, now a resident at Friendship Manor Health Care Center, ...

Mining licences for limestone, titanium and gemstones are now the most sought after by investors in Kenya, a top official ...

County commission expected to re-examine CUP decision Feb. 13 The limestone Bayer Construction mines out of the Crest Quarry, near 2400 Avenue and Vane Road, provides raw material for the concrete ...