Tierra NRG S.A.S. Retains Mineria Polaca to Conduct Mining Development and Production Plans for Boyaca/Socha Mining Opportunities
Tierra NRG SAS, a Colombia based metallurgical coal mining company, today announced it has retained Mineria Polaca S.A., to prepare design development and engineering plans for Tierra NRG’s Boyaca/Socha area mining opportunities. Mineria Polaca is the premier underground metallurgical coal... - May 30, 2010
Tierra NRG Achieves Milestone in Colombian Metallurgical Coal Business
Tierra NRG SAS today announced it has reached a milestone in its Colombian metallurgical coal business. This milestone reflects the development of a metallurgical coal operations platform and features the completion of initial due diligence and planning for select metallurgical coal opportunities... - April 30, 2010
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