TY  - BOOK
AU  - Rishworth,D.E.H
TI  - Notes on columbite mining area, Bakri, Muar, Johore
PY  - 1960///
KW  - Mineralogy
KW  - Johor
KW  - Muar
KW  - Muar (Johor)
N2  - These notes have been prepared mainly from fieldwork, and from the examination of prospecting results, undertaken by the author during 1954 and 1955. A detailed confidential report was drafted
ER  -