- Monitor - Mogul Mining District
| Mineralogical Record (1989): 20: 129-142. Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Nichols, J.B. (1946), Collecting minerals in Alpine County, California, The Mineralogist: 14: 172 Van Nostrand Reinholt Press: 75 |