135911 ⎘
Methods of underground or surface mining ; Layouts therefor; Methods of underground mining ; Layouts therefor for rock salt or potash salt
MINER AUTOMATED HARDWARE INSTALLATION SYSTEM AND AUTOMATED BRATTICE INSTALLER
#2ROTARY BORING MINING MACHINE INERTIAL STEERING SYSTEM
#3Rotary boring mining machine inertial steering system
#4Method for expansion of mature brine wells in salt domes
#5Processes and configurations for subterranean resource extraction
#6Hydraulic hoisting of potash and other evaporite ores
#7Rotary boring mining machine inertial steering system
#8Hydraulic hoisting of potash and other evaporite ores
#9Rotary boring mining machine inertial steering system
#10SOLUTION MINING A STABLE ROOF UNDER AN INERT GAS
#11Use of ventilation air methane exhausted during mining of non-combustible ore in a surface appliance