|
USA | |
| Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886 |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| [var. Wackenrodite] King, Van (n.d.) Personal communcation. |
| Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886 |
| Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886 |
| Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886 |
| Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886 |
| Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886 |
| Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886 |
| Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886 |
| Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886 |
| Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886 |
| Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886 |