Review by Ed Quillen
Geology – March 2007 – Colorado Central Magazine
Ancient Denvers – Scenes from the Past 300 Million Years of the Colorado Front Range
by Kirk R. Johnson and Robert G. Raynolds
Paintings by Jan Vriesen, Donna Braginetz, and Gary Staab
Published in 2006 by Fulcrum with the Denver Museum of Nature and Science
ISBN 1-55591-554-X