机读格式显示(MARC)
- 000 00497nam a22001935a 4500
- 008 020225s1950 us 1 z0eng
- 099 __ |a CALB022002022022
- 110 1_ |a American mining congress
- 245 00 |a Mining Congress Journal
- 260 __ |a Washington: |b American Mining Congress, |c 1915-
- 300 __ |a v. : |b ill. ; |c 26-29 cm.