Fig. 4
From: Locating helicopter ambulance bases in Iceland: efficient and fair solutions

Possible sites for base selection by the location models. The large circles show the area that can be covered within 60 min from bases at Reykjavík Airport, Akureyri and Egilsstaðir. The background image was reprinted from https://geo.vedur.is with permission from Veðurstofa Íslands