The effect of logging operations on stream turbidity levels in the rain forests of the Gogol Valley /

Míreanna comhchosúla

• Reforestation following chipwood logging : a review of silvicultural research at the Gogol Valley /
  de réir: Lamb, D.
  Foilsithe / Cruthaithe: (1976)
• Forest activities Gogol Valley, Madang
  Foilsithe / Cruthaithe: (1974)
• Site investigation for Trans Gogol High School, Madang, Madang Province /
  de réir: Buleka, Joe B.
  Foilsithe / Cruthaithe: (1987)
• A proposal on wildlife and wildlife habitat investigations in the Sapi Catchment Area within the Great Timber Area, Madang Province
  de réir: Liem, David S.
  Foilsithe / Cruthaithe: (1977)
• A history of Gogol Timber Project /
  de réir: Gipey, G. H.
  Foilsithe / Cruthaithe: (1977)