The concealed coalfield of Yorkshire and Nottinghamshire /

Eitemau Tebyg

• The concealed coalfield of Yorkshire and Nottinghamshire /
  gan: Wilson, G. V. (George Victor), b.1886-
  Cyhoeddwyd: (1926)
• The concealed coalfield of Yorkshire and Nottinghamshire /
  gan: Edwards, W.
  Cyhoeddwyd: (1951)
• The geology of the northern part of the Derbyshire coalfield and bordering tracts /
  gan: Gibson, Walcot, 1864-1941
  Cyhoeddwyd: (1913)
• The geology of the North Staffordshire coalfields /
  gan: Gibson, Walcot, 1864-1941
  Cyhoeddwyd: (1905)
• The Yorkshire, Nottinghamshire and Derbyshire coalfield : Nottinghamshire and Derbyshire area, the top hard seam /
  Cyhoeddwyd: (1942)