Figure 2From: Incidence of cancer among residents of high temperature geothermal areas in Iceland: a census based study 1981 to 2010 Map of Iceland, showing the study areas according to the community codes: 1) High-temperature geothermal area. 2) Cold reference area. 3) Warm reference area. 4) Capital and South West area. 5) Uninhabited area. Modified with permission from National Land Survey of Iceland.Back to article page