America's National Treasures
Fossil Treasures of the Pacific Northwest
Chapter 1: Hagerman Fossil Beds National Monument (Idaho) Chapter 2: Fossil Butte National Monument (Wyoming) Chapter 3: John Day Fossil Beds National Monument (Oregon)
Chapter 1: Hagerman Fossil Beds National Monument (Idaho) Chapter 2: Fossil Butte National Monument (Wyoming) Chapter 3: John Day Fossil Beds National Monument (Oregon)