Gilsonite Seam

USA / Colorado / Dinosaur /
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Gilsonite or Uintahite is a natural material much like roofing tar with unusual properties that give it many uses. Unfortunately, when finely powdered, the dust is extremely flammable, AKA explosive. A mining company in nearby Bonanza, Utah still mines and sells it.
Nearby cities:
Coordinates:   40°2'22"N   109°7'27"W
This article was last modified 9 years ago