DETAILED NOTES ON CONTOUR SURVEY IN BANGLADESH

Armed Forces: Can plan and reveal functions/war games employing electronic maps. DEM might be pretty useful for organizing of radio relay stations.An isohyet or isohyetal line (from Ancient Greek ὑετός (huetos) 'rain') can be a line over a map becoming a member of details of equivalent rainfall inside a given period. A map with isohyets is k