000 01144nam a2200205 4500
001 0000002830
008 111110s1975 a eng d
040 _aJMGHQ
090 0 0 _a552.09595114
_bAWP
100 1 _aAw, P. C.
245 1 0 _aPlanned exploitation of rock resources in Perak
_cP. C. Aw.
260 _c1975
300 _a25p.
_bill., maps
_c30cm
504 _aIncludes bibliographical references
520 _aRocks, like are and minerals, are wasting assets. These non-renewable resources call for orderly development so as to prevent indue waste. In this context, the limestone hills, because of their physical nature, are of aesthetic, religious, recreational and social values. Futhermore, because of their chemical composition, they are important industrial raw materials. In order to prevent extravagant waste, are source appraisal is important at this juncture, so that its development and management will be based on an estimate of future needs in relation to the available resources.
650 0 _aRocks, Igneous
_zPerak
650 0 _aSediments (Geology)
_zPerak
650 0 _aGeology, Economic
_zPerak
651 0 _aPerak
999 _c22525
_d22525