Sign Warns of Blasting Health Hazard at Coal Mine in Wyoming's Powder River Basin

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Gillette, Wyoming - A sign warns of the danger of an orange cloud containing nitrogen dioxide gas from blasting operations at a surface coal mine in Wyoming's Powder River Basin. The Powder River Basin is the largest coal mining region in the United States.

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Size: 4368px × 2912px
Location: Gillette, Wyoming USA
Photo credit: © Jim West / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, basin, blasting, caution, coal, danger, dioxide, environment, explosives, gillette, hazard, health, horizontal, industry, mining, nitrogen, open, pit, powder, river, sign, states, strip, surface, toxic, united, usa, warn, warning, wyoming