WITT, Ill. — The nation’s hunt for fuel soon may sweep below the lush fields of corn and soybeans here, and it could dramatically change the prairie landscape. Two mining companies want to dig for ...
Szczur said PennDOT officials are using top-of-the-line technology to monitor the potential effects of longwall mining on the I-70 corridor. LiDAR, which stands for Light Detection and Ranging, is a ...
Opencast mining involves scraping at the ground’s surface, while room and pillar mining occurs below ground. Likewise, longwall mining uses heavy machinery to dig at coal seams beneath the surface.
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