@misc{indiciae493e3fc11e67,
  title = {Worldwide directory of national earth-science agencies},
  author = {Anne Lucas Complied by Falk and Ralph L. Miller},
  year = {1975},
  doi = {10.3133/cir716},
  url = {https://pubs.usgs.gov/publication/cir716},
  note = {Source identifier: cir716}
}