@misc{indiciaed4a713f93ac4,
  title = {US Geological Survey Toxic Substances Hydrology Program: Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993},
  author = {D.W. Morganwalp and D. A. Aronson},
  year = {1996},
  doi = {10.3133/wri944015},
  url = {https://pubs.usgs.gov/publication/wri944015},
  note = {Source identifier: wri944015}
}