Ruark, Jabe R.
Gas combustion retorting of oil shale under Anvil Points lease agreement stage I - Washington Bureau of Mines 1969 - 109 p. il 26 cm - RI 7303 .
oil shale
Colorado
Gas-retorts
66
Gas combustion retorting of oil shale under Anvil Points lease agreement stage I - Washington Bureau of Mines 1969 - 109 p. il 26 cm - RI 7303 .
oil shale
Colorado
Gas-retorts
66