Mining : challenges of the twenty first century : proceedings

অনুরূপ উপাদানগুলি

• The effects on mine ventilation of shaft-bottom vanes and improvements in aircourses
  অনুযায়ী: Smith, Cloyde M.
  প্রকাশিত: (1932)
• Reclamation of coal mined land of north eastern coalfields, assam through soil amendment and revegetation with native plant species using integratd biological approach
  অনুযায়ী: Dutta, Dandeswar and Hazarika, Prosanta
  প্রকাশিত: (2021)
• How to cut your coal bill
  অনুযায়ী: Hays, Joseph W.
  প্রকাশিত: (1913)
• Accidents from hand and mechanical loading in some Illinois coal mines
  অনুযায়ী: Callen, Alfred C.
  প্রকাশিত: (1931)
• Social Environment of Coal Mining complexes,1999
  অনুযায়ী: Saxena, N.C
  প্রকাশিত: (1999)