Limonite from Klamath Mountains, Shasta County, California, USA
USA | |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 244. Diller, J.S. (1903), Copper deposits of the Redding region, California: USGS Bulletin 213: 128 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 244. Lang, Herbert (1899), Copper resources of California: Engineering & Mining Journal: 67: 561 |