
Petrified wood, No. 3.

Petrified wood, No. 3.

Petrified wood, No. 3.

Petrified wood, No. 2.

Petrified wood, No. 2.

Petrified wood, No. 1.
At the Thomas Condon Paleontology Center, John Day Fossil Beds National Monument, Grant County, Oregon. The fossil tree grew during the Paleogene period, about 45 Ma before the present.

Petrified wood, No. 1.
At the Thomas Condon Paleontology Center, John Day Fossil Beds National Monument, Grant County, Oregon. The fossil tree grew during the Paleogene period, about 45 Ma before the present.
Claystone, tinted blue-green with the mineral celadonite from the ash flows of ancient volcanoes. At the Foree Unit of the John Day Fossil Beds National Monument, Grant County, Oregon.
Claystone, tinted blue-green with the mineral celadonite from the ash flows of ancient volcanoes. At the Foree Unit of the John Day Fossil Beds National Monument, Grant County, Oregon.
Pastel landscapes in the Foree Unit of the John Day Fossil Beds National Monument, Grant County, Oregon.
Pastel landscapes in the Foree Unit of the John Day Fossil Beds National Monument, Grant County, Oregon.