Gulf to Rockies is a chapter in the business and economic history of the American West and the story of two of the most colorful railroad builders of the nineteenth century.

Throughout the 1860s the mineral treasures of Colorado were virtually inaccessible for lack of railroads. Even after a hectic decade of building in the 1870s, the state faced a new sort of isolation: every railroad crossing her borders was controlled by the Union Pacific or the Santa Fe. As a result, the Rocky Mountain region could not hope to compete with the Midwest for the business of the Atlantic...