Wikimedi'Òc

Chalcopyrite-pyrrhotite (Late Cretaceous; Cable Mine, ~1.4 miles east of Georgetown, Deer Lodge County, western Montana, USA) 4.jpg - Ser Amantio di Nicolao

Judith River Formation exposure-2.jpg - Carpenter, Kenneth

Judith River Formation exposure-1.jpg - Carpenter, Kenneth

Judith River Formation, Upper Missouri Breaks National Monument.jpg - Carpenter, Kenneth

Kootenai Formation.jpg - Carpenter, Kenneth

Eagle SS.jpg - Carpenter, Kenneth