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Title Article Type Author
Yellowstone Fires,1988 Encyclopedia Dan Whipple
Yellowstone Forest Reserve Encyclopedia John Clayton
Yellowstone National Park Field Trip
Yellowstone National Park, history of Encyclopedia Tamsen Emerson Hert
Yellowstone National Park, President Chester A. Arthur trip to, 1883 Encyclopedia Dick Blust, Jr.
Yellowstone National Park, trails of Encyclopedia Robert G. and Elizabeth L. Rosenberg
Yellowstone Park Timber Land Reserve survey Encyclopedia Brian Beauvais
Young, Clabe, 1880s rustler Encyclopedia Tom Rea