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  • All fields: Oil-shale industry--Colorado--De Beque--1920-1930.
(12 results)



Display: 50

    • At the camp above plant of Index Oil Shale Co., De Beque, Colo.

    • Men wear suits, ties, overcoats, and felt hats and stand beside trees outside the Index Oil Shale Company plant in De Beque (Mesa County), Colorado. Shows metal and frame buildings and tall smokestacks. A flag above a building reads "Index." Metal...
    • Beam, George L. (George Lytle), 1868-1935.
    • [between 1920 and 1930?]
    • Main portion of plan of Index Shale Oil Co, De Beque, Colo.

    • View of oil shale processing facilities at the Index Shale Oil Company in De Beque (Mesa County) Colorado; shows storage bins, crusher house, and smokestacks.
    • Beam, George L. (George Lytle), 1868-1935.
    • [between 1920 and 1930?]
    • DeBeque

    • View of oil shale processing facilities at the Index Shale Oil Company in De Beque (Mesa County) Colorado; also shows a retort with machinery, pipes, and sheds.
    •  
    • [between 1920 and 1930?]
    • Oil shale refinery

    • Men examine a retort at an oil shale processing facility at the Index Shale Oil Company in De Beque (Mesa County) Colorado; also shows machinery, pipes, and sheds.
    •  
    • 1922 March 24
    • Harry Brown - Brown Retort

    • Harry Brown poses in an oil shale processing facility at the Index Shale Oil Company in De Beque (Mesa County) Colorado; he poses beside a Brown retort (he is probably the inventor) that consists of a hopper, rotating tanks, and exhaust stacks.
    •  
    • [between 1920 and 1930?]
    • Where the spent shale is discharged

    • A man stands near the oil shale processing facility at the Index Shale Oil Company in De Beque (Mesa County) Colorado, Shows a Brown retort, a conveyor belt elevator for tailings, exhaust stacks, and sheds. The Roan Cliffs are in the distance.
    •  
    • 1922
    • Brown Retort

    • Men examine a Brown retort under construction at an oil shale processing facility at the Index Shale Oil Company in De Beque (Mesa County) Colorado; part of the retort is in a shed.
    •  
    • [between 1920 and 1922?]
    • De Beque, Colorado

    • View of a frame mine building used in oil shale processing in or near De Beque (Mesa County), Colorado. Shows a tailings pile, an oil-stained ravine, a smokestack, and flumes or chutes on a steep slope.
    • Rocky Mountain Photo Company.
    • 1920 October

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