Copper-Zinc deposits of the Penn Mine Calaveras County, California
January 1, 1945
No abstract available.
Citation Information
| Publication Year | 1945 |
|---|---|
| Title | Copper-Zinc deposits of the Penn Mine Calaveras County, California |
| DOI | 10.3133/ofr4551 |
| Authors | George Richard Heyl, M.W. Cox, J. H. Eric |
| Publication Type | Report |
| Publication Subtype | USGS Numbered Series |
| Series Title | Open-File Report |
| Series Number | 45-51 |
| Index ID | ofr4551 |
| Record Source | USGS Publications Warehouse |