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Pilot-plant batch retorting of Colorado oil shale
Development and Preliminary Operation of the Gas-Combustion Oil-Shale Pilot Retort
Description and Operation of the N-T-U Retort on Colorado Oil Shale
Development of the Bureau of Mines Gas-Combustion Oil-Shale Retorting Process
Gas combustion retorting of oil shale under Anvil Points lease agreement :stage I
Gas combustion retorting of oil shale under Anvil Points lease agreement :stage II