https://www.mdpi.com/2071-1050/15/1/292
Improvement of Reinforcement Performance and Engineering Application of Small Coal Pillars Arranged...
The supporting technology of retaining small coal pillars in a double roadway layout can effectively relieve the tension of mining and excavation replacement...
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https://www.conrad.com/en/p/auhagen-11470-h0-small-coal-cloudy-stone-2861585.html
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https://www.mining.com/web/column-iran-war-gives-small-boost-to-thermal-coal-further-gains-possible/
Column: Iran war gives small boost to thermal coal, further gains possible - MINING.COM
May 5, 2026 - With the prices for spot LNG and oil-linked long-term LNG rising, thermal coal is getting more competitive.