The world's great copper mines /

Eitemau Tebyg

• Time required in developing selected Arizona copper mines /
  gan: Burgin, Lorraine B.
  Cyhoeddwyd: (1976)
• The chemistry and metallurgy of copper /
  gan: Piggot, Aaron Snowden, 1822-1869
  Cyhoeddwyd: (1858)
• Strike in the copper mining district of Michigan /
  Cyhoeddwyd: (1914)
• The colour of class on the copper mines, from African advancement to Zambianization.
  gan: Burawoy, Michael
  Cyhoeddwyd: (1972)
• CENTO Symposium on Mining Methods, Beneficiation and Smelting of Copper Ores, Ankara, Turkey 1977 : [proceedings].
  Cyhoeddwyd: (1977)