Under the hills and valleys of Carroll County geologists find an odd assortment of rocks – products of earth’s complex geologic history. limestone, a sedimentary rock, is one we have in abundance.

GLENWOOD SPRINGS, Colorado ” Readily available labor due to the economic downturn and a more favorable proximity to Western Slope coal mines are among the factors prompting a Denver company to reopen ...

The U.S. Bureau of Land Management has declined to accept a proposal to expand the Mid-Continent Quarry above Glenwood Springs, saying the plan lacks specifics in several key areas. Rocky Mountain ...

On Thursday, the Colorado Court of Appeals issued a 33-page ruling that affirms Garfield County’s authority to continue to impose seasonal restrictions on operations at RMI’s Mid-Continent limestone ...

This is a July 19, 2018, drone view of Lehigh Cement Co. LLC' s Nazareth Plant II and III quarries on the Upper Nazareth Township-Nazareth border. Don't Edit Lehigh Cement Co. LLC is looking for state ...

Walk through Lincoln's Lime Rock village, with relics of the limestone industry that once supplied mortar to the East Coast and even the Caribbean.

As a state agency pushes toward approving a proposed limestone quarry in Belle Mina today, Auburn University officials worry about the impact on the Tennessee Valley Research and Extension Center.

A group of north Alabama residents are joining together to oppose a proposed rock quarry in the community. Reed Materials, ...