Huge pits that supplied the concrete for a Chinese megacity have been revitalized into a striking park. On the northern outskirts of Beijing, massive holes in the earth bear the scars of what it’s ...

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 ...

Early filings from the company sketch out about 1,900 homes and label the project as still in the preliminary planning phase ...

Caltrans has "urgent demands" for the business's products - but the quarry is slowly running out of supply.