Published by The Heartland Institute. Hydraulic fracturing for oil and natural gas production has dramatically increased the demand for industrial silica sand, known as “frac sand,” available in great abundance in the Upper Midwest. As new sand mines and processing facilities are proposed, the policymakers and citizens of counties with frac sand resources are being asked to evaluate the potential economic benefits and costs of industrial sand mining.
Originally presented at Longwall USA 2005, this presentation explores the uncertainty for coal development opportuniti ...View more
Timely and rapid intervention to underground combustion events (fires, explosions, and spontaneous combustion) is the k ...View more
Originally presented at Longwall USA 2005. The National Institute for Occupational Safety and Health (NIOSH) has been studying their operational ...View more
The coal business finished weak in 2015 and it's off to a slow start in 2016. The information contained in the 2016 Longwall Census reflects a ma ...View more
