Coal mining
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  Subject Replies Date
How do you effectively combat poor floor conditions in conventional bord and pillar mining? 0 5/19/2015
How the economy is affected by coal mining and the aplications of coal 0 3/31/2015
I am interested in finding information regarding the eoconmics of the coal industry including the annual revenues generated through coal production br... 0 12/16/2014
I want to know about the product of hydrogen sulphide 1 7/3/2014
Hi there .. I want to know the following about open cast coking coal mines in USA: 1. What would be the capital expenditure involved for a minea... 0 10/30/2013
Prevalent of coal mining methods globally in practice? 0 1/15/2013
why experience in coal mines is not beneficial for metal mines? 0 11/13/2012