Thayer, Honorable John Milton of Wyoming & Nebraska. Brig. General & major of the Territorial forces operating against the Pawnee Indians in 1855-61. Colonel of 1st Nebraska Inf. July 21, 1861

Title from unverified information on negative sleeve.
Annotation from negative, scratched into emulsion: 543, 1286 [crossed out], 547 [crossed out], J.M. Thayer, Wyoming, 29877 [crossed out], 2 of cc.
Credit line: Brady-Handy photograph collection, Library of Congress, Prints and Photographs Division.
Purchase; Alice H. Cox and Mary H. Evans; 1954.
General information about the Brady-Handy photograph collection is available at loc.gov
Forms part of: Brady-Handy photograph collection (Library of Congress).