Columbia subject headings:
Harvard subject headings:
Fire ecology--Yellowstone National Park.
Forest fires--Environmental aspects--Yellowstone National Park.
Forest fires--Yellowstone National Park.
Wildfires--Environmental aspects--Yellowstone National Park.
Wildfires--Yellowstone National Park.
Yellowstone National Park.
Princeton subject headings:
Fire ecology--Yellowstone National Park.
Wildfires--Environmental aspects--Yellowstone National Park.
Wildfires--Yellowstone National Park.
Yellowstone National Park.