An image showing a worker preparing a can with a sample of coal from the systematic collection of coal samples during World War One. The can is being readied for shipment to laboratories. The photograph was taken in November 1918 by a photographer from the Bureau of Mines.

---

Size: 8448px × 5862px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., 1918, activities, american, analysis, archives, bureau, coal, collection, control, documentation, effort, energy, equipment, fuel, industrial, industry, laboratori, laboratories, machinery, measures, military, minerals, mines, mining, november, photograph, preparation, processes, quality, regulations, research, resources, safety, sample, samples, sampling, shipment, systematic, techniques, war, work, world