- East Shasta Copper - Zinc Mining District
- Bully Hill District (Winthrop District)
| Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Murdoch, Joseph, Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966) - California Division Mines and Geology, Bulletin 189. p.1-559. Albers, John P. & Jacques F. Robertson (1961), Geology and ore deposits of East Shasta copper-zinc district, Shasta County, California, USGS PP 338: 74 Rogers, Austin Flint (1915b), Notes on the occurrence of anhydrite in the California: Columbia University, School of Mines Quarterly: 36: 123-142 (1915): 132 A.I.M.E. Transactions: 48: 67-117 (1915)]: 98 Van Nostrand Reinholt Press: 288. |