Technical Report Archive and Image Library (TRAIL) - 2 Matching Results
- Beryllium Deposits of the Mount Antero Region, Chaffee County, Colorado
- Report discussing the possible existence of pegmatites containing beryllium deposits in the granite stock in the vicinity of Mount Antero and White Mountain, Chaffee County, Colorado.
- Exploration for Lead and Zinc at the Madonna Mine, Monarch Mining District, Chaffee County, Colorado
- Report issued by the Bureau of Mines over exploration of the lead and zinc deposits of the Madonna Mine. Descriptions of the deposits are presented. This report includes tables, maps, and illustrations.