Surface mining is further classified as strip mining, auger mining
, open-pit mining, and mountain removal mining.
As previously announced in mid-2013, Quest began development of the contour and auger mining operations, receiving regulatory and blasting approval in February of this year.
Using contour strip and auger mining methods, the company is initially targeting the Elkhorn 3, Elkhorn 3 Rider and Elkhorn 2 coal seams, with a potential to also extract coal from the Hazard 4 coal seam at a later date.
The BUA-600 Auger Mining
System recovers coal from seams that could not previously be mined under conventional methods.
Also, compared with auger mining
where a fixed height is cut, it offers a variable mining height.
This industry comprises establishments primarily engaged in one or more of the following: mining bituminous coal, anthracite, and lignite by underground mining, auger mining
, strip mining, culm bank mining, and other surface mining; developing coal mine sites; and beneficiating (i.
The proposal noted in recent years "much dialogue has taken place concerning whether various hybrid technologies for mining coal, specifically continuous high wall mining and auger mining
, constitute underground mining or surface mining," said the agency.
Previous developments, contour and auger mining
, sterilized the property for decades until this yellow high-wall miner arrived on the scene.