Guide to the Green & Yampa-Dinosaur National Monument Guide Book by Duwain Whitis & Barbara Vinson
More than a quarter of a century of Dinosaur National Monument on video
Boaters on the Yampa float their final 25 miles on the Green River to the Split Mountain takeout
The outcome of the controversy--a congressional vote to prohibit the dams--"set in brass the principle that any part of the national park system should be immune from any sort of intrusion and damage
Junior Ranger: On the Colorado Plateau takes readers on an outdoor adventure through some of the nation's most beloved parks
Poster - Correlated History of the Earth :BDF D Guide to the Green &The Correlated History of Earth is an educational Poster showing the 4. 5 billion years of earths history. Each column represents a timeline from ancient (at the bottom) to recent (at the top) times. Plate tectonic maps, mountain building events (orogenies), major volcanic episodes, glacial epochs, all known craters from asteroid and comet impacts are shown, as are more than 100 classic fossil localities from around the world, fossil Ranges of plants,