Plan of the properties of the Buffelsdoorn Estate & Gold Mining Cº L d and of the Western Districts Estates & Gold Mining Cº L d

Eitemau Tebyg

• Map of the mining districts of the Western States
  gan: Lindgren Waldemar
  Cyhoeddwyd: (1907)
• Plans of Calumet and Hecla conglomerate mine
  gan: Estados Unidos Geological Survey
  Cyhoeddwyd: ([19--])
• Geologic sections of Elm river mine (contact copper co.), T. 52 N., R. 36 W.
  gan: Estados Unidos Geological Survey
  Cyhoeddwyd: ([19--])
• Estats de l'eglise et de Toscane
  gan: Sanson Nicolas, et al.
  Cyhoeddwyd: ([16--])
• Mine more coal
  gan: Carvalho Abílio Pacheco de, et al.
  Cyhoeddwyd: ([1918])