The huge red dirt terraces of Pikeview Quarry have marked the mountains west of Colorado Springs, expanding for more than a century to eventually cover 125 acres. “Is it like a mining scar?” El Paso ...

The owner of the San Rafael Rock Quarry has applied for a 20-year extension to its agreement with Marin County, which would give the company the green light to continue mining on the site until 2044.

Caterpillar (CAT) is pushing its autonomous technology into new territory, expanding beyond large-scale mining operations and into quarry applications, as the company looks to translate decades of ...

Mining and quarrying provide the raw material foundation for the global industrial economy, supplying minerals, metals, and aggregates required for construction, manufacturing, and energy production.

NEW HANOVER – Just days after a state board of judges rescinded its disputed mining permit, an attorney for Gibraltar Rock says the company seeking to establish a quarry in New Hanover will appeal the ...

For nearly a century, the curve of the Mississippi River just east of Scott City was a hotbed for limestone mining. In 1998, mining stopped. Now, production is back on as the new Grays Point Stone and ...

The Lone Pine Canyon Quarry mining project continues to stir up concern among those living in the Wrightwood area of the San Gabriel Mountains. Residents shared their thoughts about the project with ...