@misc{indiciae136861eb61b7,
  title = {Trace elements research quarterly progress report - January 1 to March 31, 1952 (Part 1)},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1952},
  doi = {10.3133/tei270},
  url = {https://pubs.usgs.gov/publication/tei270},
  note = {Source identifier: tei270}
}