@misc{indiciae87ad04197d40,
  title = {1986 Great Lakes Seismic refraction survey (GLIMPCE): Line A - refraction mode},
  author = {Patrick Morel-a-l’Huissier and John H. Karl and Anne M. Trehu and Zoltan Hajnal and Robert F. Mereu and Robert P. Meyer and John L. Sexton and C. Patrick Ervin and Alan G. Green and Deborah Hutchinson},
  year = {1990},
  doi = {10.4095/128170},
  url = {https://pubs.usgs.gov/publication/70195676},
  note = {Source identifier: 70195676}
}