how to read latitude and longitude with minutes
List of formations in American football Latitude of the top of the map is 40Â° 30' and the latitude of the bottom of the map is 40Â° 15'. The difference between these two is also 15'. This map, which covers an area that is 15' x 15' would be referred to as a 15 minute map. Notice that latitude and longitude is only fully written in the corners of the map.