Coal samplers at a working face in a mine gathering samples of coal for the Bureau of Mines during World War I. This was part of the Bureau's efforts in war work and the systematic collection of coal samples. Photograph taken in November 1918.

---

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

Keywords: .., 1918, activi, activities, american, analysis, bureau, coal, collection, economy, effort, energy, equipment, extraction, face, industrial, industry, laborers, logistics, materials, military, mineral, miners, mines, mining, nov., operations, photography, processing, production, productivity, quality, reserves, resources, safety, sample, samplers, sampling, supply, support, techniques, technology, transportation, war, wartime, work, workers, working, world