@misc{indiciae1a0fe2aa85c3,
  title = {Research on uranium resource models, a progress report; Part V, LDIGIT, a computer program to digitize graphics data for spatial data analysis},
  author = {Robert M. Turner and William A. Scott and Richard B. McCammon},
  year = {1982},
  doi = {10.3133/ofr82843},
  url = {https://pubs.usgs.gov/publication/ofr82843},
  note = {Source identifier: ofr82843}
}