Coal Mine Drainage Prediction and Pollution Prevention in Pennsylvania Introduction The book "Coal Mine Drainage Prediction and Pollution Prevention in Pennsylvania" had its origins as far back as 1979 when a two page letter b... KBC Brady,T Kania,MW Smith,... 被引量: 132发表: 1998年 Radio...
Most coal mine-related fires are ignited by (1) mine-related activities such as cutting and welding, explosives and electrical work, and smoking, which may ignite gases such as methane and hydrogen (Mine Safety and Health Administration, 1996; Pennsylvania Department of Environmental Protection (P...
Pennsylvania’s Coal and Iron Police forms, a private police force established by the Pennsylvania General Assembly but employed and paid for by the various coal companies. They are hired to protect the property of their respective companies, and are used to intimidate coal mine workers and break...
John and Willie Leone Department of Energy and Mineral Engineering, The Pennsylvania State University, University Park, PA, 16802, USA Hannah Chop & Barbara J. Arnold Contributions Hannah Chop: writing—original draft, editing, conceptualization, and investigation; Barbara J Arnold: supervision, resourc...
TheUnited Mine Workers(UMW), formed in the 1880s in the Midwest, was successful in its strike against bituminous mines in the Midwest in 1900. However, the union'sstrike against the anthracite mines of Pennsylvaniaturned into a national political crisis in 1902. PresidentTheodore Rooseveltbrokered...
“Safety First”, and Ted personally checks the mine every day before anyone is allowed to go in. There was so much information about how mining is done, and what sorts of precautions are in place to prevent disasters. Ted gave us so much information that I wish I had something to ...
Frank Clemente, Pennsylvania State University, based on International Energy Agency World Energy Outlook, 2012, and The World Bank World Development Indicators, 2012. B. Analysis of United Nations Population Division, "The World at Six Billion," Dr. Frank Clemente, Pennsylvania State University; ...
Additionally, one can discuss cyclothems and Pennsylvania in the Carboniferous, structural geology and tectonics, current greenhouse gas emissions from the combustion of coal, how coal fires work/convestion/conduction of heat, subsidence related to precipitation and mined-out coal, acid mine drainage...
Additional observations from coal mines in western Virginia, eastern Kentucky and western Pennsylvania support this interpretation, where wedge-shaped slickensides that are interpreted to represent drag folds are oriented approximately parallel to the structural grain of the Allegheny Front. More recent ...
The Pennsylvania State University, Pennsylvania, USA (1988) Google Scholar [26] D. Park, Y. Jiang, L. Morley, W. Keeton Stability analysis of a room-and-pillar mine with thinly laminated roof, strong pillar, and weakfloor Miner. Eng., 44 (11) (1992), pp. 1355-1360 〈http://refhub...