View of a Continental Oil Shale Mining and Refining Company plant on a hillside near layered shale cliffs in Rio Blanco County, Colorado. Shows a brick retort with timber scaffolding and ladders and a sign that reads: "The Colorado Continuous Retort, Patent Applied For." A corrugated metal building has lettering that reads: "Laboratory." Shows sagebrush, tailings piles, and a wheelbarrow.
Date
[between 1900 and 1920?]
Notes
Accession number: 96.69.138; History Colorado.; Formerly F33410.; Handwritten on envelope: "Industry-Oil Shale-Rio Blanco County."; Title and attribution typed on verso.; R7200052685
History Colorado
