Mah, Weng Hong <br/><br/>
Economic report for the month of April 1974 for sheet 75-Changkat Jong 
Mah Weng Hong 
 -  1974 
 - 11 p.  ill. , maps  35 cm 
<br/><br/> The area mapped is the Bikam Forest Reserve which is near the north - east part of the sheet. On the topographical map ang on air photographs, this forest reserve is on ridge striking NW - SE. The highest point on the ridge is 790 feet high. The streams flow away from the flank of the rodge toward north - east or south - west. The ridge is composed of metasedimentary of metamorphic rocks. The rocks found are metasandstone, metaquartzite, chert, phyllite and graphitic schist. Below the 100 - foot contour, the area is mostly swamp. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geochemical silt--Perak--Changkat Jong
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Changkat Jong (Perak)