Presentation by Barry Jones

Prepared by: Barry Jones, AZ State Park Volunteer, Retired AZ State Park Ranger and CA State Park Manager

Fact checked by: Larry Bagshaw, Retired Petroleum Geologist, M.S. Geology Brigham Young University

Click on a thumbnail image below to view a full-size version

Note: p.1 — Geological Time with Major Evolutionary Events in the Fossil Record  Courtesy of William L. Kruczynski and Pamela J. Fletcher, from Dinosaur Discoveries

Photos on this page thanks to Rimstones Rock Club member Barry Jones