@misc{indiciae4f32a38f5b4b,
  title = {Chapter A9. Safety in Field Activities},
  author = {Susan L. Lane and Ronald G. Ray},
  year = {1998},
  doi = {10.3133/twri09a9},
  url = {https://pubs.usgs.gov/publication/twri09A9},
  note = {Source identifier: twri09A9}
}