Duwain Whitis

• Guide to the Arkansas River, Colorado
• Guide to the Colorado and Green Rivers in the Canyonlands of Utah and Colorado
• Guide to the Colorado River in the Grand Canyon
• Guide to the Green and Yampa Rivers in Dinosaur National Monument
• Guide to the Green River in Desolation and Gray Canyons
• Guide to the Middle Fork and Main Salmon Rivers, Idaho
• Guide to the Rogue River Wild and Scenic River, Oregon
• Guide to the Snake River in Hells Canyon and the Lower Salmon River
• Guide to the Upper Colorado River
• Guide to the Upper Salt River, Arizona
• RiverMaps Guide to the Colorado & Green Rivers in the Canyonlands of Utah & Colorado