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