The vertical distance in between any two consecutive contours is called a contour interval. Suppose a map incorporates contour traces of a hundred m, 98 m, 96m, and so forth. Office of Reduction and Rehabilitation: DEM of catastrophe prone places may help in evaluating the damage of disaster. Utilization of https://contour-survey-in-banglad16159.blogchaat.com/32251599/contour-survey-an-overview