@misc{indiciaeca57ceb16d9f,
  title = {Conceptual uncertainty in crystalline bedrock: Is simple evaluation the only practical approach?},
  author = {J. Geier and C.I. Voss and B. Dverstorp},
  year = {2002},
  url = {https://pubs.usgs.gov/publication/70024056},
  note = {Source identifier: 70024056}
}