Colorado Geological Survey

year of pub­li­ca­ti­onISBNauthor(s)title
1992978-1-884216-23-7Ben H., Jr. ParkerGold Panning and Placering in Colorado--How and Where (Information Series Number 33)
1990978-1-884216-33-6Mark W. Davis ยท Randall K. StreufertGold Occurrences of Colorado (Resources Series Number 28)
2003978-1-884216-59-6Vincent MatthewsMessages in Stone: Colorado's Colorful Geology