@misc{indiciae8bc26bddeb60,
  title = {Lava-cooling operations during the 1973 eruption of Eldfell Volcano, Heimaey, Vestmannaeyjar, Iceland},
  author = {Richard S. Williams},
  year = {1997},
  doi = {10.3133/ofr97724},
  url = {https://pubs.usgs.gov/publication/ofr97724},
  note = {Source identifier: ofr97724}
}