Notes to accompany Keeler's map of the U.S. territory, from the Mississippi River to the Pacific Ocean, containing authentic information connected with the territories, and the different railroad routes to the Pacific Ocean.
- Washington, Govt. Print. Off., 1868.
- 30 p. fold. map. 24 cm.
"National map of the territory of the United States from the Mississippi River to the Pacific Ocean ... by W.J. Keeler" has been inserted in the work."