 As a member of Ashley's expedition, Clyman wrote one of the two accounts detailing Hugh Glass's mauling by grizzly bear.Clyman also traveled with Jedediah Smith, whose scalp and ear he sewed back on following a savage grizzly bear mauling, and Thomas Fitzpatrick in the discovery of the South Pass.He also was a member of the party of four that paddled around the Great Salt Lake and put to rest the myth of the Buenaventura River.