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The top documents tagged [surface coal mining]
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surface coal mining
Coal Mining Spatial Data for the Nation
1.941 views
2010/2011 Annual Report
80 views
Lectureon liberation separation extraction
200 views
Coal Mining The goal of coal mining is to economically remove coal from the ground. Coal is valued for its energy content, and since the 1880s is widely.
216 views
PRINCIPLES OF METAL SULFIDE FORMATION Back to basics, always.
239 views
Division of Mining and Reclamation Kenneth Politan
[email protected]
(304) 926-0499, ext. 1529.
217 views
Chapter 16 Review Mining. a mining company is required to post funds before beginning a mining project. 1.decrease in taxes program 2.bond forfeiture.
220 views
What is it? Why do we do it? What does it do to the Earth? How can we be more sustainable? Mining.
215 views
Peabody - Arizona Operations
935 views
Hg 6e ch_04_lecture
327 views
Hg 6e ch_04_lecture
255 views
Mountaintop Mining- Background on Current Controversies
217 views
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