the carving was roughly eighty years old. The artifact was lost by Yellowstone employees around 1890 while being transferred to the park museum. References Further reading Anglin, Ronald M. and Larry E. Morris (2016). The Mystery of John Colter: The Man Who Discovered Yellowstone. Lanham, MD: Rowman and Littlefield. Lewis and Clark Expedition people Mountain men People from Augusta County, Virginia People from Montana People from Park County, Wyoming American explorers 1770s births 1810s deaths