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- Deposit:: NISHIWAKI,M. AND OTHERS, 1960, PROSPECTING AT THE YAGUKI MINE AND ITS EFFEC TS, MINING GEOLOGY, VOL. 10, NO. 6, P. 1-9. (IN JAPANESE).
- Deposit:: YANAGISAWA, I., 1967, GEOLOGY AND PALEONTOLOGY OF THE TAKAKURAYAMA-YAGUKI A REA, YOTSUKURA-CHO, FUKUSHIMA PREFECTURE, SCIENCE REPORTS OF TOHOKU UNIVERSITY, 2ND SERIES (GEOLOGY), VOL. 39, NO. 1, P. 63-112.
- Production:: PA1: ROSKIL* LETTER FROM JAPAN, NO. 11, MARCH 1977, P. 4.; NO. 27, JULY 1 978, P. 2; NO. 60, APRIL 1981, P. 6. PC1: ROSKIL* LETTER FROM JAPAN, NO. 11, MARCH 1977, P. 4; NO. 27, JULY 19 78, P.2; NO. 60, APRIL 1981, P. 6.
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