Gilsonite is a solid hydrocarbon mined in vertical veins in southern Uintah County, Utah. It is found in veins anywhere from a foot to twenty-two feet in width, and a depth of a few feet up to 2,000 feet. The black shiny mineral is not commercially mined anywhere else in the world and only found in a few other places. Following discovery, miners began working the gilsonite mines in the late 1800s. With the remoteness and distance to the mines, mining...