Collection SummaryThe Yellowstone National Park Army Era Records contain materials documenting the U. S. Army's administration of Yellowstone National Park, 1886-1918. There are also a few records from the years immediately preceding the Army Era, when the Park was overseen by civilian superintendents, 1882-1886. The documents include correspondence, reports, financial records, leases and contracts, rules and regulations, scout diaries, and other administrative records.Contributing InstitutionYellowstone National Park Heritage and Research Center