Apparatus for automatically adjusting the cutting horizon of a m

Automatic vein identifying method and follower apparatus for use

Detecting seam boundary using pick sound

Geosteering detectors for boring-type continuous miners

Geosteering detectors for boring-type continuous miners

Method and apparatus for a rotating cutting drum or arm mounted

Method for automatically adjusting the cutting drum position of

Method for controlling the thickness of a layer of material in a

Method for sensing coal-rock interface

Method of steering a mining machine

Mining control system for adjusting the advance of mining tools

Operating a continuous miner

Process for controlling longwall shearing and heading machines a

Stratum boundary sensor for continuous excavators

System for controlling cutting horizons for continuous type...