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Bergbau
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Linie pradu w przypadku plaskiego ruchu piasku
Mule-back transportation of sectionalized machinery
Mineral resources on Kansas City, Mexico and Orient railway
Magmatic segregation in its relation to the genesis of certain ore-bodies
An automatic signal system for crossovers on underground railways operated by electric locomotives
Switches for underground electric locomotive traction
A means of securing main haulage roads and return airways of a mine otherwise than with timber
Comparison of horse and benzine-locomotive haulage
The introduction of automobiles for mining work
With hand shoveling 10 tons per man and 26 tons per loader already attained
Some notes on the bord-and-pillar system of work
With mechanical loading, cars can be manipulated if face be well shot and trips available
Gathering without animals locomotives or conveyors
Rational limits in use of motor trucks and railroad transportation in open pits of Noril'sk combine
Maximum range of railroad gradients in open pits
Economic and reliable systems of automatic control of underground transportation
Increase in cost of transport of ores and metals
Increase in cost of transport of ores and metals
Inflex system for freight car traffic monitoring on mine railroads
Utah copper company builds railroad tunnel
Experience with diesel haulage units-underground
Fahrwerke der kontinuierlich arbeitenden Tagebaugeraete
Airplane transport to remote Peruvian mines