- Author
- Gregory, Herbert E.
- Subtitle
- a geologic and geographic sketch
- Publisher
- Zion-Bryce Natural History Association
- Binding
- Paper
- Published
- 1949
- Pages
- 36
- Subjects
- Bryce Canyon national park – Utah – geology & geography, Zion national park – Utah – geology & geography
- Shelf
- Geology & geography – Zion and Bryce Canyon national parks – Utah