@misc{indiciae88e26c1d7a22,
  title = {Geologic map of part of the San Fernando de Apure 2 degrees by 3 degrees Quadrangle, Venezuela},
  author = {John H. Stewart},
  year = {1994},
  doi = {10.3133/mf2247},
  url = {https://pubs.usgs.gov/publication/mf2247},
  note = {Source identifier: mf2247}
}