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National parks: Leaf - public domain image
Unidentified leaf from the Fossil Lake deposits in Fossil Butte National Monument, Wyoming.
National parks: Leaf - public domain image
Unidentified leaf from the Fossil Lake deposits in Fossil Butte National Monument, Wyoming.
unidentified leaf, approximately 15 cm long
Two hundred and seventy six leaves, seeds and flowers are known from the Fossil Lake deposits. Fossil plants are key in determining the climate of past environments.
unidentified leaf, approximately 8 cm long
Over 300 fossil plants have been discovered in the Fossil Lake deposits.