Oil Shale retort (57)

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Mine name Oil Shale retort
State Colorado
County Garfield
Author Winchester, D.E.
Shale Retort of Oil Shale Mining Co. on Dry Fork. T.7 S.,R.100W. Garfield County, Colorado.  June, 1918
Caption Shale Retort of Oil Shale Mining Co. on Dry Fork. T.7 S.,R.100W. Garfield County, Colorado. June, 1918