Books - Nonfiction
- Devil's Gate: Owning the Land, Owning the Story (2006)
- Bone Wars: The Excavation and Celebrity of Andrew Carnegie's Dinosaur (2001)
- The Pathfinder's Lost Instruments: John C. Frémont's cavalier attitude toward his scientific apparatus
- Hayden's Gaze: Science and Art come to the Oregon Trail
- Flat on my Platte: The flattest way west, then and now
- One in Nine: Wyoming's Mormons. A series of articles at WyoFile.com.