U. S. Bureau of Miner, Report of Investigations
United States Department of the Interior
***遡及データをもとにした入力である
by S.J. Aresco and J.B. Janus
U.S. Dept. of the Interior, Bureau of Mines 1969 U. S. Bureau of Miner, Report of Investigations 7219
所蔵館1館
by John. P. Capp...[et al.]
Hirakawa Bunken Seminar [1961] U. S. Bureau of Miner, Report of Investigations 5830
by J. P. Capp...[et al.]
Hirakawa Bunken Seminar [1961] U. S. Bureau of Miner, Report of Investigations 5808
Hirakawa Bunken Seminar [1960] U. S. Bureau of Miner, Report of Investigations 5666
by Marvin W. Wlison...[et al.]
Hirakawa Bunken Seminar [1960] U. S. Bureau of Miner, Report of Investigations 5605
