J. Sullang <br/><br/>
Quarry site investigation at Sungai Ubong, Luhat Temala, Baram area  GSKL 017/217 
by J. Sullang 
 -  1980 
 - 1 v.(various pagings)  ill.  30 cm 
<br/><br/> The limestone is moderately hard, grey to dark grey in color.It should be suitable for use as roadstone and other engineering works. The limestone appears to be similar to the limestone at the existing quarry (Holly Stone Quarry) at Batu Gading 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quarries and quarrying--Baram--Sarawak