| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1992 | 978-1-884216-23-7 | Ben H., Jr. Parker | Gold Panning and Placering in Colorado--How and Where (Information Series Number 33) |
| 1990 | 978-1-884216-33-6 | Mark W. Davis ยท Randall K. Streufert | Gold Occurrences of Colorado (Resources Series Number 28) |
| 2003 | 978-1-884216-59-6 | Vincent Matthews | Messages in Stone: Colorado's Colorful Geology |