TY - BOOK AU - Roe,F.W TI - Report on the abandoned columbite working at Bakri, Near Muar, Johore KW - Mineralogy KW - Johor KW - Muar KW - Muar (Johor) N2 - The abandoned columbite working is situated in the area covered by Topographical Survey Sheet 3G 15 and is about one mile west-notyh-west of Bakri village and some eight and half miles from Muar on the Muar - Yong Peng road ER -