F. Jay Haynes (1853-1921) was official photographer for the Northern Pacific Railroad and for Yellowstone National Park. Records (1876-1962) consist of photograph order books, negative registers, copyright records, and a small amount of business records for the photography business of Haynes and of his son Jack Ellis Haynes (1884-1962).

Collection consists of the organizational and financial records of the Yellowstone Park Company, a major park concessionaire, as well as those of several predecessor companies, including Yellowstone Park Camping Co., Yellowstone Park Boat Co., Yellowstone Park Association, and the Wylie Permanent Camping Co.