Adamus, A. 2002. Review of the use of nitrogen in mine fires. Mining Technology: IMM Transactions Section A 111(2):89-98. ANSI (American National Standards Institute). 1996. S3.44: American National ...
LONDON (Reuters) - Britain's burning coal pit may herald the last act for UK underground coal mining, which is already battling greener government policy and cheap imports from Colombia, Russia and ...