Oil-shale retort used for the distillation of shale for oil
W.J. Armon in the laboratory;
1 photograph and negative;
April 20, 1958
Manuscripts, maps, fieldnotes, and photographs may be viewed in-house only. Please contact the ISGS Special Collections Curator, Anne Huber, for an appointment at 217-300-0005 or email email@example.com Monday thru Friday, 8am-noon or 1pm-5pm.