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USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Oregon Metal Mines Handbook, 1952, Oregon Department of Geology and Mineral Industries: Bulletin No. 14-C, Vol. 2, Section 1 - Josephine Co., 2nd Edition, pages 186-190. |
| Oregon Metal Mines Handbook, 1952, Oregon Department of Geology and Mineral Industries: Bulletin No. 14-C, Vol. 2, Section 1 - Josephine Co., 2nd Edition, page 205. |
| Oregon Metal Mines Handbook, 1952, Oregon Department of Geology and Mineral Industries: Bulletin No. 14-C, Vol. 2, Section 1 - Josephine Co., 2nd Edition, page 208. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |