@misc{indiciae4dfaca7b48dc,
  title = {Instrumentation and data for a study of seasonally frozen soil in southeastern North Dakota},
  author = {D. G. Emerson and M.D. Sweeney and V.M. Dressler and S.W. Norbeck},
  year = {1990},
  doi = {10.3133/ofr90107},
  url = {https://pubs.usgs.gov/publication/ofr90107},
  note = {Source identifier: ofr90107}
}