Nature and Environment
The Cranes of North America and the World
Appropriation and the Evolution of Colorado's Landscape, Ditches, and Water Institutions
Principles and Policies
Conversations with Terry Tempest Williams
The Saga of Jackson Hole, Wyoming
Second Edition
A Natural History of Mesa Verde Country
Wilderness Prophet
Natural History, Ecology, and Conservation
Notes from Wyoming
A History
Eastern Slope, Fourth Edition
A Field Guide to the Vascular Plants
Western Slope, Fourth Edition
A Field Guide to the Vascular Plants
An Environmental History of the Colorado River
The Changing Nature of Wildlife and Wild Places in Utah and the Intermountain West
The 1923 USGS Colorado River Expedition