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, ...

A Clarion County-based company has received the go-ahead to construct an underground limestone mine in Deemston. The state Department of Environmental Protection on Jan. 21 approved a permit for ...

The U.S. Bureau of Land Management (BLM) has rejected Rocky Mountain Industrials’ (RMI) claim that its limestone mine expansion must be allowed under the Mining Law of 1872, according to two separate ...

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 ...

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 ...

Neighbors have circulated and submitted a petition opposing expansion of the mine that they say has already caused a range of ...