Oregon Fossils, Second Edition
Frigid Embrace: Politics, Economics, and Environment in Alaska
Atlas of Oregon Wildlife: Distribution, Habitat, and Natural History
Winter Twigs, Revised Edition: A Wintertime Key to Deciduous Trees and Shrubs of Northwestern Oregon and Western Washington
Yamsi: A Year in the Life of a Wilderness Ranch (Northwest Reprints)
Clean Water, 2nd ed: An Introduction to Water Quality and Water Pollution Control
Sandy: The Sandhill Crane Who Joined Our Family (Northwest Reprints (Paperback))