Report on reconnaissance of the manganese ore deposits at Bukit Sungei Ara, Yorak, Muar, sometimes refered to as the Ma'okil manganese ore deposit
C.K. Burton.
- 1957
- 1 v. (unnumbered) maps 30 cm
The Bukit Sungei Ara manganese ore deposits were discovered before the war, but only recently have they been systematically prospected.