Milson, J.
Madang Province helicopter gravity survey by J. Milson - [Port Moresby] Office of Minerals and Energy [1975] - [2], 18 leaves, 7 leaves of plates maps (some folded) 30cm - Report 75/15 .
On cover: Dept. of Lands, Surveys and Mines
Barometric hypsometry
Gravity--Measurement--Papua New Guinea--Madang Province
Gravity anomalies--Papua New Guinea--Madang Province
Leveling--Papua New Guinea--Madang Province
Madang Province helicopter gravity survey by J. Milson - [Port Moresby] Office of Minerals and Energy [1975] - [2], 18 leaves, 7 leaves of plates maps (some folded) 30cm - Report 75/15 .
On cover: Dept. of Lands, Surveys and Mines
Barometric hypsometry
Gravity--Measurement--Papua New Guinea--Madang Province
Gravity anomalies--Papua New Guinea--Madang Province
Leveling--Papua New Guinea--Madang Province