Lava-Cooling Operations During the 1973 Eruption of Eldfell Volcano,
Heimaey, Vestmannaeyjar, Iceland
U.S. Geological Survey Open-File Report 97-724

Figure 1.

Photograph of Próf. Þorbjörn Sigurgeirsson (1917-1988) in July 1983 outside the Science Institute of the University of Iceland. Photograph by Richard S. Williams, Jr., U.S. Geological Survey. The Tíminn article included a different photograph of him.