Books by Calif.) Underground Coal Conversion Symposium (7th : 1981 : Fallen Leaf Lake:
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Underground Coal Conversion Symposium (7th : 1981 : Fallen Leaf Lake, Calif.): Burn cavity growth during the Hoe Creek no. 3 underground coal gassification experiment (Lawrence Livermore Laboratory, University of California, 1982), also by R. W. Hill and Lawrence Livermore National Laboratory (page images at HathiTrust)
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