Geographical Information System Metadata Catalogue Sri Lanka has, over the past years, produced a rich base of map information through systematic topographic surveys, geological surveys, soil surveys, cadastral surveys, various natural resources inventory programs and the use of the remote sensing images. Further, with the availability of precision, high-resolution satellite images, data enabling by the organization of Geographical Information System (GIS), combined with the Global Positioning System (GPS), the accuracy and information content of these spatial datasets or maps is extremely high. Read more about Geographical Information System1 comment