Mahoney shows a steam shovel working the blasted stone face of the quarry and loading dump trucks. The mill is also depicted in the photograph southwest of the office. The steam shovel operated on ...

The state Land Use Commission last week unanimously approved a 15-year time extension on a permit that lets the company continue rock quarry and concrete recycling operations at the site.

At a time when quarries and mines seek to optimise their operations and ensure continuous improvement, remote monitoring of ...

As other Bay Area quarries closed, demand for the San Rafael Rock Quarry's rock and gravel grew, extending well past the county's original expectations that the quarry would cease operations in ...

This meeting will be held at the DeKalb County Complex at 712 South Congress Boulevard, Smithville, starting at 5 p.m., with ...

Rock of Ages has attracted visitors since at least 1924, when the company built a “Retiring Room” for guests to observe the quarry in action, according to its website. It introduced tours in 1930. The ...

Liebherr emerged as first choice for an expanding quarry business as it searched for a single flagship excavator to replace a pair of ageing machines at a newly acquired hard rock operation ...