Duwain Whitis

Guide to the Colorado River in the Grand Canyon

Guide to the Arkansas River, Colorado

Guide to the Upper Colorado River

Guide to the Middle Fork and Main Salmon Rivers, Idaho

RiverMaps Guide to the Colorado & Green Rivers in the Canyonlands of Utah & Colorado

Guide to the Rogue River Wild and Scenic River, Oregon

Guide to the Colorado and Green Rivers in the Canyonlands of Utah and Colorado

Guide to the Green River in Desolation and Gray Canyons

Guide to the Upper Salt River, Arizona

Guide to the Green and Yampa Rivers in Dinosaur National Monument