The discovery of Yellowstone park, 1870.
Subtitle: The complete story of the Washburn expedition to the headquarters of the Yellowstone and Firehole rivers in the year 1870.
By: By Nathaniel Pitt Langford.
Edition: 2d ed. Approved by the National park service.
Publisher: J. E. Haynes
Published: 1923
Place of publication: Saint Paul
Language: eng
Number of pages: 188
Subjects: Yellowstone National Park.
Notes: Blank pages for "Memoranda" (4 at end)