The story of South Pass offers a rich history. The Overland Stage, Pony Express, and first transcontinental telegraph all came through the region.

In this magisterial volume, Will Bagley tells why and how this massive emigration began. While many previous authors have told parts of this story, Bagley has recast it in its entirety for modern readers.

For America’s Native peoples, the effect of the massive migration was no less than ruinous. The impact that tens of thousands of intruders had on Native peoples and their homelands is at the center of this story, not on its margins.