4
8
11
4
21
4
6
3
2
11
2
2
2
5
2
2
4
2
8
3
3
2
2
5
5
5
3
2
7
7
2
3
3
4
2
2
2
6
2
9
2
3
2
2
2
2
6
4
2
2
2
2
2
6
3
6
15
3
5
13
30 km
20 mi
Leaflet | Tiles © Esri — Source: ArcGIS World Topographic Map