Platinum from selected localities.
USA | |
| Logan, Clarence August (1918), Platinum and allied metals in California: California Mining Bureau. Bulletin 85, 120 pp.: 59-60; Pemberton, H. Earl (1983), Minerals of California: 39. |
Logan, Clarence August (1918), Platinum and allied metals in California: California Mining Bureau. Bulletin 85, 120 pp.: 60-61; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 41. | |
| Logan, Clarence August (1918), Platinum and allied metals in California: California Mining Bureau. Bulletin 85, 120 pp.: 61-63; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 41. |
Logan, Clarence August (1918), Platinum and allied metals in California: California Mining Bureau. Bulletin 85, 120 pp.: 61-63; Pemberton, H. Earl (1983), Minerals of California: 41. | |
| Logan, Clarence August (1918), Platinum and allied metals in California: California Mining Bureau. Bulletin 85, 120 pp.: 61-63; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 41. |