View of a placer mine by a river; miners pose by a rocker and sluice, climbing a pole, and in an ore car. A furnace and barrels are by pipes and a ditch; frame buildings, automobiles, and a freight car with letters: "C N N" [?] are in the...
View of a shallow, mined Gilsonite (trademark name for uintaite, a black lustrous asphalt) vein in the Bonanza District, either in Uintah County, Utah, or Rio Blanco County, Colorado; sagebrush surrounds the gash, with slag at left and right.
View of a vein of Gilsonite (trademark name for uintaite, a black lustrous asphalt) in the Bonanza District, either in Rio Blanco County, Colorado, or Uintah County, Utah; vertical mineshaft in foreground is surrounded by slag pile and shredded...
View of veins of Gilsonite (trademark name for uintaite, a black lustrous asphalt) in the Bonanza District, either in Rio Blanco County, Colorado, or Uintah County, Utah; a pathway leads to intermittent piles of uintaite slag marring the sagebrush...
A miner, wearing denim overalls and a helmet with headlamp, prepares to start a hole in the wall of a tunnel in an unidentified mine. He is using a pneumatic drill which is supported by a double screw column.