Sections include: lakes, Yellowstone Falls and Canyon, falls (exclusive of Yellowstone Falls), miscellaneous falls, insect control work, game research, trees and forests, forest fires, Cody Road, Gardiner Canyon Road, Gardiner Canyon Road (proposed roadsites), bad roads, roads (general), road construction and maintenance, roadside cleanup, snow removal, parking areas, road and formation signs, marker, boundary, G.S., etc., government operations, operators' equipment, government equipment, bridges, boat docks, nature and formation trails, trails (exclusive of nature trails), sanitation department, N.P.S. buildings, Mammoth, buildings at Mammoth, road camp buildings, ranger naturalists quarters, ranger department buildings, buffalo ranch, north entrance arch, Gardiner, Montana, government buildings outside of Yellowstone, hotels and inn, buildings, hotels, cottages etc., Mammoth, lodges, housekeeping cabins and offices, railway stations, history - localities, historical buildings - hotels, lunch stations, etc., history - persons, historical objects, communities, and auto camps. Inclusive dates of creation are 1878-1939.