A Closer Look At John Day Fossil Beds National Monument

Hidden among the sagebrush dotted hills of eastern Oregon is one of the world's premiere fossil sites. Explore dramatic changes across the Age of Mammals in a journey through the rock layers within the pages of A Closer Look at John Day Fossil Beds National Monument.

• | Author: Megan Wilkins
• | Publisher: Discover Your Northwest
• | Publication Date: Jun 01, 2017
• | Number of Pages: 62 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 0914019783
• | ISBN-13: 9780914019787