This primary source comes from the Records of the U.S. Geological Survey.
National Archives Identifier:
517293Full Citation: Cheyenne. Laramie County, Wyoming; 1869; Records of the U.S. Geological Survey, Record Group 57. [Online Version, https://www.docsteach.org/documents/document/cheyenne-laramie-county-wyoming, March 28, 2024]