Roslan Rajali <br/><br/>
Laporan penyiasatan sumber airtanah bagi Sekolah Kebangsaan Siang-Siang, Lawas, Sarawak=  Investigation into groundwater source for Sekolah Kebangsaan Siang-Siang, Lawas, Sarawak  GSKL 037/27/366 
Roslan Rajali 
 -  2001 
 - i, 6 p.  ill.  30 cm 
<br/><br/> The study area is generally overlain by quaternary sediments, which consist of clay with a variable amount of organic materials. It is underlain by few layers of fine-to-medium grained sand with a variable amount of organic materials 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater--Lawas--Sarawak