Geological investigation of the proposed Usino-Gogol River road, Madang, T.P.N.G. /
Braybrooke, J. C.
Geological investigation of the proposed Usino-Gogol River road, Madang, T.P.N.G. / by J.C. Braybrooke. - [Port Moresby] : Dept. of Lands, Surveys and Mines, Geological and Volcanological Branch, 1969. - 11 leaves : map. - Note on investigation; 69403. .
Roads--Papua New Guinea--Madang Province.
Engineering geology--Papua New Guinea--Madang Province.
Geological investigation of the proposed Usino-Gogol River road, Madang, T.P.N.G. / by J.C. Braybrooke. - [Port Moresby] : Dept. of Lands, Surveys and Mines, Geological and Volcanological Branch, 1969. - 11 leaves : map. - Note on investigation; 69403. .
Roads--Papua New Guinea--Madang Province.
Engineering geology--Papua New Guinea--Madang Province.