Lam, Sia Keng <br/><br/>
Preliminary investigation on stone potential for quarrying in Bukit Kelawar area 
Lam Sia Keng 
 -  1989 
 - 1v(unnumbered)  ill.,photos(col.),maps  30cm 
<br/><br/> An investigation on the stone potential for quarrying in the Bukit Kelawar area,Lawas was carried out from the 7th to 12th june,1988 to assess the quality and quantity of the rocks for use as roadstone and other constructional aggregates 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stone--Sarawak<br/>Quarries and quarrying--Sarawak--Lawas<br/>Geology--Sarawak--Lawas