Teoh, Lay Hock A report on the investigation of cassiterite/ wolframite bearing quartz veins in Song Kee Tin Mine, Kulim Teoh Lay Hock. - 1974 - 7p. photos (b & w), maps 32cm Includes bibliographical references Subjects--Topical Terms: Geology--Kedah--Kulim Subjects--Geographic Terms: Kulim (Kedah)