@misc{indiciae30bf133f09bd,
  title = {Geologic map of the Low Wassie Quadrangle, Oregon and Shannon counties, Missouri},
  author = {Robert E. Weems},
  year = {2002},
  doi = {10.3133/i2719},
  url = {https://pubs.usgs.gov/publication/i2719},
  note = {Source identifier: i2719}
}