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- :Cervik, JosephApril 1969 | Mining Publications:"Gas occurs in coalbeds in an adsorbed and a free gas state. Adsorbed gas is stored in the micropore structure and its transport is governed by Fick's...
- :Hadden, J. D. ;Sainato, AlbertMay 1969 | Mining Publications:"The Bureau of Mines conducted drilling studies in the Pocahontas No. 3, the Pittsburgh , and a western coalbed to establish the gas migration charact...
- :Findlay, Charles ;Krickovic, StephenAugust 1970 | Mining Publications:"Methane emission rates were studied in a Pittsburgh coalbed mine in northern West Virginia. A fullface boring-type continuous miner, equipped with a ...
- :Cervik, Joseph ;Perkins, John H.May 1969 | Mining Publications:"The Bureau of Mines has conducted desorption work on fine coal particles at near atmospheric pressure. An apparatus has been developed that uses a ca...
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