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The top documents tagged [surface mines]
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surface mines
Coal Lectures Series Mining Technology Presentation
10.368 views
Coal risk update_02_2013
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Valgma infiltration dam_groundwater_regime
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Stream Mitigation and Ecological Function in Mined Watersheds Todd Petty, PhD Division of Forestry and Natural Resources March 31, 2009.
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A New Home for Trailer Park High School B y Jackie Grace.
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Mi.ttu.ee USAGE OF ESTONIAN OIL SHALE Enno Reinsalu Ingo Valgma Tallinn University of Technology, Department of Mining Erik Väli Estonian Oil Shale Mining.
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Drilling in mining
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Valgma infiltration dam_groundwater_regime
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5th Grade Ch 10 lesson 1 what are nonrenewable energy resources
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2014 CRW - Be Prepared for MSHA Inspections, Not just OSHA
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L 17 air pollution
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Module 2 Dozer Operation
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