Hari Singh Sidhu <br/><br/>
Report on the groundwater investigation at rock chemical industries Pengkalan Pegoh, Ipoh 
Hari Singh Sidhu. 
 -  1986 
 - 9p.  maps  30cm 
<br/><br/> October, 1986 
<br/><br/> Monitoring of the groundwater levels on a regular basis is considered necessary. Periodic chemical analysis of water is also recommended. This if done diligently can give forewarning of declining performance of the well and of other problems associated with wage of groundwater especially in limestone terrains. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater--Perak--Pengkalan Pegoh<br/>Geology--Perak--Pengkalan Pegoh
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Pengkalan Pegoh (Ipoh, Perak)