Digital Elevation Model of Glen Canyon Prior to the Flooding of Lake Powell from Historic Topographic Surveys, Utah and Arizona | USGS Science Data Catalog
Glen Canyon National Recreation Area | Grand Canyon Trust
Cathedral Wash (Glen Canyon National Recreation Area, AZ) | Live and Let Hike
Glen Canyon National Recreation Area (U.S. National Park Service)
Glen Canyon National Recreation Area (National Geographic Trails Illustrated Map): National Geographic Maps: 0749717009912: Amazon.com: Books
Glen Canyon National Recreation Area (U.S. National Park Service)