What is the setting of novel Horse Thief?

The novel "Horse Thief" by Colleen McKeegan is set in the American West in the 1860s, primarily in the state of Wyoming. The story takes place in the vast and unforgiving landscapes of the Western frontier, amidst mountains, prairies, and rivers. Specific locations mentioned in the novel include the fictional towns of Red Lodge, Bitterroot Creek, and Fort Bridger.