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.

Lehigh Cement Plant is located in Cupertino, but the 3,500 acre property includes Palo Alto land as well. Courtesy of Estuary News. A cement plant and limestone quarry in the Santa Clara County ...

Federal land and mine safety officials are looking into the cause of a large rockslide that occurred within Rocky Mountain Industrials’ Mid-Continent limestone quarry north of Glenwood Springs on ...

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 ...

The Glenwood Springs Citizens Alliance is suing the federal government for failing to regulate the limestone quarry north of city limits. In a lawsuit filed Tuesday in federal court, the Citizens ...

The owner of a limestone quarry above Glenwood Springs has spent several years arguing that its contentious plan for an exponential expansion of the mine should be expedited under the 1872 Mining Act, ...

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.

New Beginnings Covenant Ministries and Belle Mina Methodist Church filed a lawsuit against Stoned LLC and Grayson Carter & Son, Inc. in Limestone County Circuit Court late Monday. They are the ...

Wrightwood residents are concerned about a proposed quarry mining project, fearing health issues, environmental harm and ...