@misc{indiciae106cfac91c60,
  title = {Recommendations for Cycle II of National Water-Quality Assessment (NAWQA) Program},
  author = {U.S. Geological Survey and Gail E. Mallard and Jeffrey T. Armbruster and Robert E. Broshears and Eric J. Evenson and Samuel N. Luoma and Patrick J. Phillips and Keith R. Prince},
  year = {1999},
  doi = {10.3133/ofr99470},
  url = {https://pubs.usgs.gov/publication/ofr99470},
  note = {Source identifier: ofr99470}
}