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  • Contributing Institution = Carnegie Library of Pittsburgh
  • Subject = Mineral industries -- Periodicals.
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The Colliery engineer - 1888-1889
The Colliery engineer - 1889-1891
The Colliery engineer - 1891-1892
The colliery engineer and metal miner
Mines & Minerals vol.20
The colliery engineer and metal miner
The colliery engineer and metal miner
The colliery engineer and metal miner
Mines & Minerals vol.26
Mines & Minerals vol.25