@misc{indiciae92c39f79921f,
  title = {Evidence of Absence software},
  author = {Daniel Dalthorp and Manuela M. P. Huso and David Dail and Jessica Kenyon},
  year = {2014},
  doi = {10.3133/ds881},
  url = {https://pubs.usgs.gov/publication/ds881},
  note = {Source identifier: ds881}
}