Coal fields and coal resources of Canada / by D. B. Dowling.

Ítems similars

• Coal fields of British Columbia / comp. by D. B. Dowling.
  per: Dowling, D. B. (Donaldson Bogart), 1858-1925.
  Publicat: (1915)
• The coal fields of Manitoba, Saskatchewan, Alberta, and eastern British Columbia / by D. B. Dowling.
  Publicat: (1909)
• The Yampa coal field, Routt county, Colorado / by N.M. Fenneman and Hoyt S. Gale, with a chapter on the character and use of the Yampa coals by Marius R. Campbell.
  per: Fenneman, Nevin Melancthon, 1865-1945.
  Publicat: (1906)
• The geology and coal resources of the coal-bearing portion of Tazewell county, Virginia / by T. K. Harnsberger. Prepared in co-operation with the United States Geological survey.
  per: Harnsberger, Thomas Kennerly.
  Publicat: (1919)
• Environments of coal deposition / Editors: Edward C. Dapples and M.E. Hopkins.
  Publicat: (1969)