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Paleozoic limestones are widespread in Malaysia, typically distributed along northwestern, western and central belt of Peninsular Malaysia. Outcrop photos and satellite images were widely used in the study. Karstification geomorphology generally observable on high resolution satellite image and aerial photos, as well as outcrop observation. Steep-sided, isolated limestone hills surrounded by alluvial plains are commonly seen in most of the limestone buildup (Raj, 2009), except Setul Limestone who formed a long line of continuous hill at west of Perlis (Jones, 1981). Thick vegetation often occurred on top of limestone buildup, with steep side characterized by bare vegetation (Raj, 2009). Tower karsts, dolines and cavern were observed from the satellite image.