Education Valgma backfilling technologies for estonian oil shale mines(2)

1. Backfilling technologies for Estonian oil shale mines Ingo Valgma Tallinn University of Technology Department of Mining mi.ttu.ee 2. EstoniaEGK2mi.ttu.ee 3. Mineral resources…

Education Valgmatammeojaanepaiokaruvstrikundergroundminingchallengesforestonianoilshaledeposit...

1. Underground mining challenges for Estonian oil shale deposit Ingo Valgma, Tauno Tammeoja, Ain Anepaio, Veiko Karu, Aire Västrik Department of Mining, Tallinn University…

Education Valgma backfilling

1. 3746th International Conference on Sustainable Development in the Minerals Industry, 30 June – 3 July 2013, Milos island, GreeceBackfilling technologies for Estonian…

Education Karu water

1. Oil Shale, 2013, Vol. 30, No. 2S, pp. 336–362 doi: 10.3176/oil.2013.2S.12ISSN 0208-189X © 2013 Estonian Academy PublishersMINE WATER AS A POTENTIAL SOURCE OF ENERGY…