Title: Traveller in the wilderness
Description: According to Wikipedia, this book is about Ms. Sumner's journey on the Colorado River from Hite, Utah to Lee's Ferry, AZ. She was the only woman member of the 1955 "Eggert-Hatch river expedition, the purpose of which was to make the last films of the Green and Colorado River canyons before construction began on Flaming Gorge and Glen Canyon dams." (Quote from Wikipedia.)
Subjects: Colorado River, Glen Canyon
Places: Colorado River, Glen Canyon
People: Charles Eggbert, Don Hatch
Time periods: 1955