The Canyonlands River Guide book provides information on The Green river, The Colorado River, and Lake Powell with geologic and historic notes.
Canyonlands River Guide by Bill & Buzz Belknap/Loie Belknap Evans The Green: Green River, Utah, to The Confluence, through Labyrinth
& Stillwater canyons, 120 miles. The Colorado: Loma, Colorado, to
Lees Ferry, Arizona, through Horsethief, Ruby, Westwater, Cataract, and
Glen canyons, 372 miles. Satellite view and a map of Lake Powell.
Detailed illustrated geologic section by geologist R.J. Johnson.
Mile-by-mile geologic and historic notes. 80 pages.