Haldenberge aus dem Kupferschieferbergbau als Baustoffe im Straßenbau
Next-generation drilling equipment pushes back water depth barrier
Control problems in armored face conveyors for longwall mines
HDD may not be the answer for all sensitive water crossings
New control strategies for longwall armored face conveyors
Status of the development of final disposal casks and prospects in Germany
Application of downhole video technology to multilateral well completions
Engineering and cost analyses of coal combustion byproduct transportation and handling systems
Pratical experiences in Europe with hydro dynamic horizontal directional drilling systems
Untersuchung technogener Einflüsse auf geologische Stoffe in Schlammansammlungen
Kill operation requires thorough analysis. Well control - 3
Placer tin mining and environmetal impact in Southeast Asia
Economic growth, low prices to lift U.S. oil and gas demand in 1995