In this detailed historical account, Agnes Wright Spring chronicles the rise and fall of the Cheyenne and Black Hills Stage and Express routes—critical arteries of transportation and communication during the gold rush era in the Dakota Territory. Stretching between Cheyenne, Wyoming, and the mining camps of Deadwood and the Black Hills, these routes were lifelines for prospectors, merchants, and lawmen during the 1870s. Spring draws from archival materials, diaries, newspapers, and oral histories to reconstruct the perilous journeys of stagecoaches across treacherous terrain, past hostile outposts, and through areas contested by Indigenous nations resisting encroachment. She recounts the stories of famed drivers, robbers, scouts, and entrepreneurs, all of whom played a role in this thrilling chapter of Western expansion. The book also examines the economic, political, and military implications of the routes, showing how they helped accelerate the settlement—and destabilization—of the Northern Plains. With a storyteller's eye and a scholar's discipline, Spring brings to life the dust, danger, and drama of stage travel on the edge of empire. The Cheyenne and Black Hills Stage and Express Routes remains a key work for students of Western history, transportation heritage, and frontier mythmaking.