Method of forming in situ oil shale retorts
Method of fracturing rock or similar material and apparatus ther
Method of hydrospalling
Method of in situ bitumen recovery by percolation
Method of in situ mining
Method of in-situ hydrogenation of carbonaceous material
Method of in-situ leaching of ores
Method of indirect measurement of cowl position on a longwall sh
Method of installation of cuttable mine support
Method of interconnecting wells for solution mining
Method of lifting deepsea mineral resources with heavy media
Method of longwall panel development
Method of measuring uncut coal rib thickness in a mine
Method of melting sulphur
Method of milling depressions and machine to perform same
Method of mine backfilling and material therefor
Method of mineral mining plough operation in two directions of v
Method of mining
Method of mining
Method of mining