When you're planning a trip on the Green and Yampa Rivers in Dinosaur National Monument, the RiverMaps Green and Yampa in Dinosaur; guidebook is a must have. Describes rapids and camps, plus USGS maps.
The Green River flows through Desolation and Gray Canyons in Utah and the RiverMaps Green River in Desolation and Gray; guidebook shows you the way through all the rapids, campsites and places of interest.