View of the brick smokestack and timber scaffolding of a Continental Oil Shale Company retort in Rio Blanco County, Colorado. Shows metal parts for the retort, scraps of wood, and snow on the ground nearby.
Oil-shale industry--Colorado--Rio Blanco County--1900-1920.; Rio Blanco County (Colo.)--1900-1920.; Building construction--Colorado--Rio Blanco County--1900-1920.; Refineries--Colorado--Rio Blanco County--1900-1920.
[between 1900 and 1920?]
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