Wad from selected localities.
USA | |
| [var: Cobalt-bearing Wad] USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10028820. |
[var: Cobalt-bearing Wad] Hamilton, Fletcher McNab (1922), eighteenth report of the State Mineralogist: California Mining Bureau. Report 18; 767 pp.: 760; Logan, Clarence August (1925), Sacramento field division: California Mining Bureau. Report 21: 142; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 297. |