A nation marching west: leaving New York, July 1873
Foreshadowing the frontier: Pittsburgh, summer 1873
Working for the "Katy": Missouri to Texas, August 1873
Taming the frontier: the Neosho Valley, August 1873
The Indian Territory: Fort Gibson, August 1873
Life in the Old Southwest: Texas, September 1873
Life on the great plains: Texas and Kansas, September-October 1973
The far west: Wichita to Denver, October 1873
Staging in the far west: Southern Colorado, early November 1873
Wintering in Denver: Colorado and Arizona, November 5, 1873, through April 1874
Red Cloud Agency: Nebraska, May 8, 1874, to June 15, 1874
Mormons and Indians: Utah, May-June 1874
The end of the assignment: San Francisco, summer 1874
Conclusion: one hundred sketches of the vanishing frontier.