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

Figure 16.

Map showing the locations of eight boreholes [three in the tephra, five in the new lava flows], old and new [on top of the lava flows] roads, and two trenches. Vegir = roads; borholur = borehole; skurðir = trenches.