Teoh, Lay Hock <br/><br/>
Report on drilling investigation at Bukit Kali, Kelian Intan, north Perak 
Teoh Lay Hock, Chow Weng Sum. 
 -  1978 
 - 4p.  ill.  30cm. 
<br/><br/> The present report is essentially based on information gathered from drilling made at 7 sites on the southern slopes of the hill, supplemented by field observations made during a brief visit by the first author to the area on 17 Oct 1977. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Kelian Intan--Perak