n. Agate Fossil Beds National Monument
Hagerman Fossil Beds National Monument
John Day Fossil Beds National Monument
Lava Beds National Monument
Florissant Fossil Beds National Monument
n. Agate Fossil Beds National Monument
Hagerman Fossil Beds National Monument
John Day Fossil Beds National Monument
Lava Beds National Monument
Florissant Fossil Beds National Monument
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012