Yellowstone National ParkHye Min Lim

Yellowstone National Park. Photography. Encyclopædia Britannica ImageQuest. Web. 10 Dec 2014. http://quest.eb.com/#/search/139_1913847/1/139_1913847/cite

Ecosystems

YELLOWSTONE NATIONAL PARK.. Photography. Encyclopædia Britannica ImageQuest. Web. 10 Dec 2014. http://quest.eb.com/#/search/137_3149619/1/137_3149619/cite

Evidence

Yellowstone National Park.. Photography. Encyclopædia Britannica ImageQuest. Web. 10 Dec 2014. http://quest.eb.com/#/search/137_3095527/1/137_3095527/cite

Geysers

Opalescent Pool, Yellowstone. Photograph. Encyclopædia Britannica ImageQuest. Web. 10 Dec 2014. http://quest.eb.com/#/search/139_1906906/1/139_1906906/cite

Evidence

Yellowstone Geothermal Pools. Photograph. Encyclopædia Britannica ImageQuest. Web. 10 Dec 2014. http://quest.eb.com/#/search/139_1897471/1/139_1897471/cite

History

American Bison (Bison bison) Herd crossing Yellowstone River - Yellowstone National Park, U.S.A.. Photography. Encyclopædia Britannica ImageQuest. Web. 10 Dec 2014. http://quest.eb.com/#/search/300_3034282/1/300_3034282/cite

Evidence

West Thumb, Yellowstone Lake, Yellowstone National Park, Wyoming, USA. Photograph. Encyclopædia Britannica ImageQuest. Web. 10 Dec 2014. http://quest.eb.com/#/search/126_506789/1/126_506789/cite

Nature

Lower Falls of Yellowstone River, 94m high at head of canyon, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America. Photography. Encyclopædia Britannica ImageQuest. Web. 10 Dec 2014. http://quest.eb.com/#/search/151_2537999/1/151_2537999/cite

Evidence

Yellowstone River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America. Photography.Encyclopædia Britannica ImageQuest. Web. 10 Dec 2014. http://quest.eb.com/#/search/151_2502129/1/151_2502129/cite

Yellowstone

Yellowstone National Park.. Photography. Encyclopædia Britannica ImageQuest. Web. 10 Dec 2014. http://quest.eb.com/#/search/137_3086627/1/137_3086627/cite