highwall


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highwall

[′hī‚wȯl]
(mining engineering)
The unexcavated face of exposed overburden and coal or ore in an opencast mine or the face or bank of the uphill side of a contour strip-mine excavation.
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References in periodicals archive ?
"Highwall Mobile and Personal serve to complement the Highwall Enterprise solution," said Rich Swier, CEO of Highwall Technologies.
HIGHWALL HAS RELEASED WLAN DETECTION/INTRUSION PREVENTION
The rock recognition facility is used to identify areas of hard digging, allowing better blasting of the highwall. Better toe-loading of the holes has yielded better fragmentation.
Elkview ramps up: John Chadwick explains how GPS-based systems are helping efforts to raise output to take advantage of strong coal markets
Highwall seeps can also act as sources of acid mine drainage.
Encouraging re-mining and reclamation of abandoned mined lands in Appalachia: policy options
Since 2007, there have been 20 fatal accidents in surface coal and metal and nonmetal mines involving bulldozer operators and haul truck drivers who traveled over the edge of the highwall or dump point.
As Mine Safety improves, MSHA Targets Remaining Causes of Fatalities
The Smith Gap surface mine consists of multiple surface coal mining and reclamation operations including surface contour, area mining and highwall mining.
NASLR hands out awards for Land Reclamation
In the spring of 2015, as a result of Antelope mine's monitoring program, it was found that a Golden Eagle nest, previously near the top of the highwall, had fallen during an extreme storm.
Cloud Peak receives award for Eagle protection
NC Machinery assumed responsibility for the sales, marketing, and product support of the expanded Cat mining products, which include draglines, unit rig mining trucks, room and pillar and longwall equipment, electric rope and hydraulic shovels, highwall miners, drills, belt systems, and various other lines of support equipment.
NC Machinery
Ken Goldberg of Highwall Technologies and his partners in the Sarasota start-up company are banking that their Highwall Sentinel network appliance will lead the defense against wireless intruders.
Powering up: tech start-ups connect to local resources
proposed to extend and steepen the highwall in the northwest sector of the pit to a height of 305 m, with the additional mining of 11.8 Mt of ore.
Montana Tunnels feasibility for Knight Piesold
"Criteria such as distance from the highwall face, or comparison of design vs.
New software releases help bring crucial elements into better focus for mines
In addition, the direct drive drum allows the operator to cut an 80[degrees] highwall for slope stability purposes.
Terrain leveler enables precise mining with uniform fragment size

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