Nelson Kloni Silica Sand Investigation In Area Marked K2, Near Bitulu, Sarawak . No: Laporan:GSKL 015/6 Nelson Kloni - Kuching Jabatan Penyiasatan Kajibumi, Malaysia Sarawak 1982 - <1-7p> ill, fig. 29.5cm ISBN: RM50.00 Subjects--Topical Terms: Economic Geology--silica--Bintulu Area--Sarawak--Malaysia