@misc{indiciaeb53cac5f34f8,
  title = {Preliminary results of a pilot study conducted between St. Joseph, Michigan and Michigan City, Indiana},
  author = {David S. Foster and A. L. Brill and C. L. Brown and D. W. Folger and Christian Andreasen and D.G. Carroll and G.L. Fromm and D.R. Seidel},
  year = {1992},
  doi = {10.3133/ofr92348},
  url = {https://pubs.usgs.gov/publication/ofr92348},
  note = {Source identifier: ofr92348}
}