On Wednesday evening, the U.S. Bureau of Land Management released a redacted copy of its long-awaited Determination of Common Variety report for the Rocky Mountain Industrials limestone mine, ...

Residents who live near a proposed limestone mine in Deemston Borough raised a number of concerns about air quality, dust, and other issues at a public hearing Monday at the East Bethlehem Volunteer ...

Rocky Mountain Industrials (RMI) was ordered to stop mining by the U.S. Department of the Interior in a Jan. 3 letter citing permit violations and a lack of evidence of market development. RMI, which ...

More than 150 people turned out at a forum Saturday in Vail to oppose three proposed open-pit limestone quarries on state-owned land southeast of Tucson. But the owner of one of the three mining ...

Add Yahoo as a preferred source to see more of our stories on Google. The map of a quarry A map of a limestone quarry near Belle Mina in Limestone County. A judge last week placed restrictions on the ...

Add Yahoo as a preferred source to see more of our stories on Google. The Office of Personnel Management handles retirement paperwork for the entire federal government out of an old limestone mine in ...

Federal workers working in the limestone mine responsible for handling government retirements pushed back against Elon Musk’s claims of efficiency. Earlier this month, Musk told reporters inside the ...

Residents and government leaders in the small western South Dakota city of Piedmont are in shock that the state approved a limestone mining operation without notifying them in advance about the ...

County officials will allow more time for a Scottsdale-based company to clean up junk at an old marble quarry near Corona de Tucson before it takes the company to court. Doug Woolsey, general manager ...