Ong, Yeoh Han <br/><br/>
Economic report sheet 114 
Ong Yeoh Han. 
 -  1972 
 - 2 v.  ill. , maps  35 cm 
<br/><br/> Title from cover 
<br/><br/> A total of 57 stream corcentrate samples were collected from active streams for quantitative mineral estimation, while in the course of studiying rood-cuts in the entire area of sheet 114. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks--Johor--Ledang, Gunung<br/>Geology--Johor--Ledang, Gunung
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Ledang, Gunung (Johor)