Shiftable conveyor for road milling machine
Shiftable wheel for road milling machine
Shingle remover and method of removing
Shortwall mining machine
Shortwall mining of trona
Shotgun cartridge rock breaker
Single well-multiple cavity solution mining of an inclined struc
Single-entry mining development system
Siphon dredge mining system
Situ mining of fossil fuel containing inorganic matrices
Situ retort with high grade fragmented oil shale zone adjacent t
Sleeve in a degradation assembly
Sleeve in a degradation assembly
Sleeve insert mounting for mining pick
Slidably displaceable duct assembly for a mining machine
Slide assembly having retractable gas-generator apparatus
Slide shoe for mining winning machine
Slideboard device for underground mine face ventilation
Slideway means and excavating machines comprising slideway means
Sliding seal for mining machine power tranmission