Weber, B.
Investigation of construction materials for the Kerema-Malalaua road and the Kerema airstrip, Gulf District, Papua / by B. Weber. - [Port Moresby] : Geological Survey, 1971. - [9 leaves] : maps. - Note on investigation ; 71-016 .
Road materials--Papua New Guinea--Gulf Province.
Investigation of construction materials for the Kerema-Malalaua road and the Kerema airstrip, Gulf District, Papua / by B. Weber. - [Port Moresby] : Geological Survey, 1971. - [9 leaves] : maps. - Note on investigation ; 71-016 .
Road materials--Papua New Guinea--Gulf Province.