In pursuance of the mandate of the Mines and Geosciences as steward of the country’s mineral resources in the exploration, disposition and utilization the MGB R.O.-V technical personnel deployed to DENR PENRO Albay, Sorsogon, Camarines Sur, Catanduanes and CENRO-Goa, Camarines Sur conducted an inventory of sand and gravel quarry sites within their respective area of jurisdiction to determine the width and extent of sand and gravel quarry sites in the said provinces.