cost of rock stone in coimbatore
Frequently asked questions (FAQ) on borewells: Part I - Site, 8 Jul 2009, How are charges for drilling a borewell calculated?, To find out the depth at which hard rock is encountered within the premis, Drop the stone and note the time taken for it to strike the water surface, at the Blue Mount Plantations along the Coimbatore - Mettupalayam high road near Veerakeralam...