Newspaper clipping from the Billings Weekly Gazette about Leroy R. Piper's 1900 disappearance from Yellowstone National Park
linkNewspaper clipping from the Billings Weekly Gazette, December 21, 1900, detailing possible reasons for the disappearance of Leroy R. Piper on July 30, 1900 (source: https://www.newspapers.com/clip/20351311/lr-piper-still-missing-relatives-of/).