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Synonyms were used for: Steinkohlenbergbau
Search without synonyms: keywords:("Steinkohlenbergbau")
Used synonyms:
- coal mines and mining
- hard coal mining
- steinkohlebergbau
- steinkohlenabbau
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Seizure: road to nationalization?
Engineering Index Backfile | 1946|Keywords: Coal mines and mining -
Contract negotiation: problem and opportunity for coal
Engineering Index Backfile | 1945|Keywords: Coal mines and mining -
Pillars recovered with crawler loaded and shuttle cars
Engineering Index Backfile | 1942|Keywords: Coal mines and mining -
Greasing machines plus report system assure efficient lubrication of loaders
Engineering Index Backfile | 1941|Keywords: Coal mines and mining -
High machine tonnage reflects big cars at little betty plus fast two-locomotive changing system
Engineering Index Backfile | 1941|Keywords: Coal mines and mining -
Mechanical mining with non-explosive breaking aids feature Washington shaft mine in Colorado
Engineering Index Backfile | 1941|Keywords: Coal mines and mining -
Sunshine anthracite sets goal at 700 tons per shift with trackless mining in thin-seam coal
Engineering Index Backfile | 1939|Keywords: Coal mines and mining -
Shaker conveyors plus modern rail and truck tipple feature new centennial mine
Engineering Index Backfile | 1938|Keywords: Coal mines and mining -
Dual haulage system cuts down car-changing time at no 1 mine of Wasson coal Co
Engineering Index Backfile | 1938|Keywords: Coal mines and mining -
New hoisting shaft cuts cost of disposing of mine rock and improves vesta ventilation efficiency
Engineering Index Backfile | 1940|Keywords: Coal mines and mining -
One plant replaces two in modernizing mining and preparation at U. S. Fuel's Utah properties
Engineering Index Backfile | 1939|Keywords: Coal mines and mining -
Rubber tires carry coal in mechanical-loading program at Moss hill no. 2 mine
Engineering Index Backfile | 1938|Keywords: Coal mines and mining -
Modernization proves real cost-cutting tool at West Virginia coal and coke mines
Engineering Index Backfile | 1932|Keywords: Coal mines and mining -
Better housekeeping aids safety and efficiency at Pittston Co.'s collieries
Engineering Index Backfile | 1931|Keywords: Coal mines and mining -
Coal charter: industry's next job?
Engineering Index Backfile | 1946|Keywords: Coal mines and mining -
Two-way "radio" Sets used by Maureen coal co at fractional cost of standard phone system
Engineering Index Backfile | 1941|Keywords: Coal mines and mining -
Loader output lifted by big cars and transfer hopper in coal 6 to 6 1/2 ft. thick at Kings mine
Engineering Index Backfile | 1941|Keywords: Coal mines and mining -
Higher unit output follows full mechanization at Columbia, using late-type equipment
Engineering Index Backfile | 1938|Keywords: Coal mines and mining -
Rubber-tired haulage latest mechanization development at ingle coal's wick mine
Engineering Index Backfile | 1938|Keywords: Coal mines and mining