Limonite from Mayacamas Mountains, California, USA
USA | |
| Rytuba, J.J., Hothem, R.L., May, J.T., Kim, C.S., Lawler, D., Goldstein, D., and Brussee, B.E. (2008): USGS Open-File Report 08-1382 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |