The following are great websites to learn more about the area:
Oregon History Project:
http://www.ohs.org/education/oregonhistory/
Oregon Paleolands Institute:
John Day Fossil Beds National Monument
Journey Through Time Scenic Byway:
Kam Wah Chung Museum:
http://www.traveloregon.com/Travel-Oregon-Magazine/Fall-Winter-2002/Explore-the-Lore.aspx
Eastern Oregon Visitors Association (EOVA):
Things to Do in Oregon - John Day Fossil Beds National Monument:
http://www.thingstodo.com/states/OR/nationalparks/johnday.htm
Grant County Historical Museum:
http://www.ortelco.net/~museum/
John Day Fossil Beds, Oregon Vacation & Travel Guide:
http://www.go-oregon.net/John-Day-Fossil-Beds-National-Monument