Ong, Yeoh Han
Economic report sheet 114 Ong Yeoh Han. - 1972 - 2 v. ill. , maps 35 cm
Title from cover
A total of 57 stream corcentrate samples were collected from active streams for quantitative mineral estimation, while in the course of studiying rood-cuts in the entire area of sheet 114.
Rocks--Johor--Ledang, Gunung
Geology--Johor--Ledang, Gunung
Ledang, Gunung (Johor)
Economic report sheet 114 Ong Yeoh Han. - 1972 - 2 v. ill. , maps 35 cm
Title from cover
A total of 57 stream corcentrate samples were collected from active streams for quantitative mineral estimation, while in the course of studiying rood-cuts in the entire area of sheet 114.
Rocks--Johor--Ledang, Gunung
Geology--Johor--Ledang, Gunung
Ledang, Gunung (Johor)