@misc{indiciaed49ae67b7e7d,
  title = {Geology in national and everyday life},
  author = {G. R. Mansfield},
  year = {1938},
  doi = {10.1126/science.87.2247.49},
  url = {https://pubs.usgs.gov/publication/70011164},
  note = {Source identifier: 70011164}
}