| | Clarno Unit John Day Fossil Beds National Monument | | This monument within the heavily eroded volcanic deposits of the scenic John Day River basin is a well-preserved fossil record of plants and animals. Authorized October 26, 1974, and established in 1975, this 14,000 acre park is divided into three widely separated units. Some facilities are provided. | |
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| | John Day Fossil Beds | | This monument lies within the heavily eroded volcanic deposits of the scenic John Day River basin is a well-preserved fossil record of plants and animals. This remarkably complete record, spanning more than 40 of the 65 million years of the Cenozoic Era (the "Age of Mammals and Flowering Plants") is world-renowned. Some facilities are provided. | |
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| | Painted Hills Unit John Day Fossil Beds Monument | | This monument within the heavily eroded volcanic deposits of the scenic John Day River basin is a well-preserved fossil record of plants and animals. Authorized October 26, 1974, and established in 1975, this 14,000 acre park is divided into three widely separated units. Some facilities are provided. | |
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| | Sheep Rock Unit John Day Fossil Beds Monument | | This monument is the third portion of the John Fossil Day beds. It lies within the heavily eroded volcanic deposits of the scenic John Day River basin is a well-preserved fossil record of plants and animals. Authorized October 26, 1974, and established in 1975, this 14,000 acre park is divided into three widely separated units. Some facilities are provided. | |
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