The mining of thin-coal seams as applied to the eastern coal-fields of Canada, by J. F. Kellock Brown.

By: Material type: TextTextPublication details: Ottawa, Government printing bureau, 1917.Description: viii p., 1 l., 135 p. illus., fold. maps (1 in pocket) 25 cmSubject(s): LOC classification:
  • TN866.C2 B7
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