@misc{indiciae75b7e76da1da,
  title = {National Research Program of the Water Resources Division, U.S. Geological Survey, Fiscal Year 1993},
  author = {Martha L. Nichols and Linda C. Friedman},
  year = {1995},
  doi = {10.3133/ofr95125},
  url = {https://pubs.usgs.gov/publication/ofr95125},
  note = {Source identifier: ofr95125}
}