Report of a reconnaissance of the Black hills of Dakota
Subtitle: made in the summer of 1874
By: by William Ludlow.
Publisher: Govt. Print. Off.
Published: 1875
Place of publication: Washington
Language: eng
Number of pages: 121
Subjects: Ludlow, William, 1843-1901; Black Hills (S.D. and Wyo.); United States -- Exploring expeditions