@misc{indiciae8fd8b9fba2a1,
  title = {Global GIS database. Digital atlas of Central and South America},
  author = {Hearn and T. Hare and P. Schruben and D. Sherrill and C. LaMar and P. Tsushima},
  year = {2000},
  doi = {10.3133/ds62a},
  url = {https://pubs.usgs.gov/publication/ds62A},
  note = {Source identifier: ds62A}
}