A joint venture of Sylmar-based civil construction firm Tutor Perini Corp. and its subsidiary Frontier-Kemper Constructors ...

Two men believed to be zama zamas who remain trapped in a Rand Leases mine shaft are presumed dead after more than a week underground.

Abstract: Traditional ventilation methods consume excessive energy but still fail to meet requirements in underground tunnel group construction. Thus, a closed-loop intelligent control system for ...

Akobo Minerals AB, a Scandinavian-based Ethiopian gold producer, provides an operational update for January 2025 and details ...

Novel diamond-enabled cutting technology increases tunneling development speed, reduces costs, and minimizes the environmental impact of construction for the mining, infrastructure, transportation ...

Big Bend Tunnel is a decommissioned tunnel on the mainline of the CSX Corporation's rail line through southern West Virginia west of Talcott, West Virginia. According to legend, folk hero John Henry ...

A massive pileup in an Interstate 80 tunnel in Wyoming killed at least two people and shuttered part of the major east-west highway, authorities said Friday. The Wyoming Department of ...

AT 7.30 on the evening of Saturday, May 23, 1955, the last passenger train on the Keighley-Halifax (and spur to Bradford) line left Halifax Station. As it pulled out it set off detonators on the rails ...

This ventilation air, discharged through dedicated (ventilation) shafts, contains methane in concentrations typically ranging from 0.1% to 1.0% by volume, known as Ventilation Air Methane (VAM). While ...

Akobo Minerals AB ("Akobo"), a Scandinavian-based Ethiopian gold producer, provides an operational update for January 2025 ...

Wyoming officials on Sunday said a third death has been confirmed from a fiery multi-vehicle pileup inside an interstate tunnel. Details about the death were unavailable, with the Wyoming ...