"Glaciers covered parts of the Wasatch Range during the most recent Ice Age
when the climate was colder and wetter than today. These glaciers were at their
maximum about 24,000 to 18,000 years ago and dramatically reshaped the
higher reaches of Big Cottonwood and Mill Creek Canyons, as well as the entire
length of Little Cottonwood Canyon. The other canyons in this guide (City Creek,
Emigration, and Parleys) were not glaciated due t ..."
Canyon country A geologic guide to Canyonlands travel region (Public information series / Utah Geological Survey) by Sandra N. Eldredge 25 Pages, Published 1996 by Utah Dept. Of Natural Resources, Utah Geological Survey ISBN-13: 978-1-55791-373-9, ISBN: 1-55791-373-0
The Wasatch fault (Public information series) by Sandra N. Eldredge 17 Pages, Published 1996 by Utah Geological Survey ISBN-13: 978-1-55791-387-6, ISBN: 1-55791-387-0
Public Information Ser. Homebuyers Guide to Earthquake Hazards in Utah by Sandra N. Eldredge 27 Pages, Published 1996 by Utah Geological Survey ISBN-13: 978-1-55791-386-9, ISBN: 1-55791-386-2