TY  - BOOK
AU  - Ong,Yeoh Han
TI  - Economic report sheet 114
PY  - 1972///
KW  - Rocks
KW  - Johor
KW  - Ledang, Gunung
KW  - Geology
KW  - Ledang, Gunung (Johor)
N1  - Title from cover
N2  - 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
ER  -