. . . . "Yellowstone"@en . . . . . . . "A photographic study of the world's first national park."@en . . "Yellowstone National Park, Wyoming" . "Yellowstone National Park, Wyoming"@en . . . . "Yellowstone national park (Wyoming)"@en . . . . . . . . "William W. Dunmire, park ranger and chief naturalist for Yellowstone explains the ecosystems of life depending upon the hot water resources in the park and discusses the thermal features and multitudes of wildlife found in this, our largest national park."@en . . . "Yellowstone National Park." . . "Yellowstone National Park" .