@misc{indiciaed6c8b9eb1a01,
  title = {Crisis GIS--Preparing for and responding to volcanic eruptions in the United States},
  author = {D.W. Ramsey and J.E. Robinson and S. P. Schilling and J.R. Schaefer and Frank A. Trusdell},
  year = {2007},
  url = {https://pubs.usgs.gov/publication/70171673},
  note = {Source identifier: 70171673}
}