Weber, B.
Red Ridge Gravel as a construction material in Port Moresby / by B. Weber. - [Port Moresby] : Geological Survey, 1971. - 7 leaves, 5 leaves of plates : map. - Note on investigation ; 71-025 . - Note on investigation (Geological Survey of Papua New Guinea) ; 71-025 .
Investigation no. 71429
Aggregates (Building materials)--Papua New Guinea--Port Moresby.
Gravel--Papua New Guinea--Port Moresby.
Road materials--Papua New Guinea--Port Moresby.
Red Ridge Gravel as a construction material in Port Moresby / by B. Weber. - [Port Moresby] : Geological Survey, 1971. - 7 leaves, 5 leaves of plates : map. - Note on investigation ; 71-025 . - Note on investigation (Geological Survey of Papua New Guinea) ; 71-025 .
Investigation no. 71429
Aggregates (Building materials)--Papua New Guinea--Port Moresby.
Gravel--Papua New Guinea--Port Moresby.
Road materials--Papua New Guinea--Port Moresby.