The brutally efficient coal-extraction method known as “longwall mining” has permanently damaged a half dozen streams in Pennsylvania, state regulators have found — a finding that could trigger deeper ...

Mindset Mining Consultants MD Alan Gissing and senior mining engineer Ronnie van Eeden discuss a recently completed longwall mining feasibility study conducted for energy and chemicals company Sasol.

Crews are moving the proper monitoring equipment and traffic signs into place along Interstate 70 in Ohio County, W.Va., between the Pennsylvania state line and the visitors center as Tunnel Ridge ...

Mining consulting engineers, Mindset Mining Consultants, conducted a feasibility study for Sasol Mining on its proposed longwall project. The proposed longwall project forms part of the Syferfontein ...