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- Mining - Wikipedia
Mining is the extraction of valuable geological materials and minerals from the surface of the Earth Mining is required to obtain most materials that cannot be grown through agricultural processes, or feasibly created artificially in a laboratory or factory
- MINING. COM - No 1 source of global mining news and opinion
Mine closure and responsible site transition has evolved from a final, isolated phase into one of the most critical challenges in the mining lifecycle
- Mines and Minerals Bureau | Iowa Department of Agriculture and Land . . .
The Mines and Minerals Bureau is responsible for reclamation of abandoned surface coal mines, administration of an emergency program for subsidence related to mining, operation of the Iowa minerals program and the coal regulatory program
- Mining | Definition, History, Examples, Types, Effects, Facts . . .
Mining, process of extracting useful minerals from the surface of the Earth, including the seas A mineral, with a few exceptions, is an inorganic substance occurring in nature that has a definite chemical composition and distinctive physical properties or molecular structure
- IOWA MINES - Mining Artifacts
Coal mining along Muchakinock creek dates back to 1843, when local blacksmiths mined coal from exposures along the creek By 1867, there were small drift mines all along Muchakinock Creek down to Eddyville where the creek flows into the Des Moines River
- The Main Types of Mining and their Differences
This article reviews different mining methods, their economic roles, and the sustainability challenges they pose in the context of resource extraction
- Mining - National Geographic Society
Mining is the process of extracting useful materials from the earth Some examples of substances that are mined include coal, gold, or iron ore Iron ore is the material from which the metal iron is produced The process of mining dates back to prehistoric times
- Mineral Resources | Iowa Geological Survey - College of Engineering . . .
Quarrying limestone and dolomite for dimensional stone and cement products has been a staple of Iowa’s mining industry for more than a century Iowa is also one of the top 10 gypsum-producing states in the United States
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