@misc{indiciae33ffa63bdf56,
  title = {Bibliography of reports resulting from U.S. Geological Survey participation in the United States Technical Assistance Program: Supplement for 1968-1969},
  author = {Wenonah E. Bergquist},
  year = {1970},
  doi = {10.3133/ofr7026},
  url = {https://pubs.usgs.gov/publication/ofr7026},
  note = {Source identifier: ofr7026}
}