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Hagerman Fossil Beds National Monument

United States of America

Hagerman Fossil Beds National Monument

Hagerman Fossil Beds National Monument is a Pliocene-age site near Hagerman, Idaho. The 4,351-acre (17.61 km2) Monument is internationally significant because it protects one of the richest known fossil deposits from the Blancan North American Land Mammal Age. These fossils date from 3.07 million to

at least 4 million years ago in age and represent at least 200 species. Hagerman is best known for having the largest known concentration of the fossil Hagerman horse, Equus simplicidens. The fossil beds, including the historic Smithsonian Horse Quarry, were designated a National Natural Landmark in 1975 and was reclassified as a National Monument in 1988. In 2014, Hagerman Fossil Beds National Monument joined Sibiloi National Park in Kenya as "sister parks" through a memorandum of understanding between the National Park Service and Office of International Affairs, the National Museums of Kenya, and Kenya Wildlife Service. A fundraising campaign at Hagerman helped send three Kenyan students to the internationally recognized Koobi Fora Field School, managed by George Washington University. Students from all over the world attend to learn East African archaeology, geology, and primatology...

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