Map of a reconnaissance of the Black Hills, July and August, 1874, with troops under command of Lt. Col. G.A. Custer, 7th Cavalry /

Shows exploration routes and dates.
Relief shown by hachures and spot heights.
LC Civil War maps (2nd ed.), S184
Available also through the Library of Congress Web site as a raster image.
Includes notes indicating general topography.
In top margin: Brig. Genl. A.A. Humphreys, Chief of Engineers, U.S.A. ; Brig. Gen'l A.H. Terry, comdg department.
In ms. red ink at upper right on verso: 3(2).
LC copy imperfect: Mounted on cloth.