John Day Fossil Beds National Monument

A conical mountain composed of many buff and pink rock layers rises above a small river bordered on one side by a green field. Black rock layers cap the mountain.

Oregon is a northwestern U.S. state. The park is in the north-central part of the state.

Palisades at the Clarno Unit of the monument

John Day Fossil Beds National Monument is a U.S. National Monument in Wheeler and Grant counties in east-central Oregon. Located within the John Day River basin and managed by the National Park Service, the park is known for its well-preserved layers of fossil plants and mammals that lived in the region between the late Eocene, about 45 million years ago, and the late Miocene, about 5 million years ago. The monument consists of three geographically separate units: Sheep Rock, Painted Hills, and Clarno.

单词	John Day Fossil Beds National Monument
释义	John Day Fossil Beds National Monument 英语百科 John Day Fossil Beds National Monument John Day Fossil Beds National Monument is a U.S. National Monument in Wheeler and Grant counties in east-central Oregon. Located within the John Day River basin and managed by the National Park Service, the park is known for its well-preserved layers of fossil plants and mammals that lived in the region between the late Eocene, about 45 million years ago, and the late Miocene, about 5 million years ago. The monument consists of three geographically separate units: Sheep Rock, Painted Hills, and Clarno.
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