The John Day Fossil Beds
Wheeler County, Oregon · 1975
Forty million years of continuous fossil record in volcanic ash beds, one of the most complete anywhere for the age of mammals. A Methodist missionary named Tho
Open on the map →Wheeler County, Oregon · 1975
Forty million years of continuous fossil record in volcanic ash beds, one of the most complete anywhere for the age of mammals. A Methodist missionary named Tho
Open on the map →