@misc{indiciaec8725700034d,
  title = {Water-quality data-collection activities in Colorado and Ohio: Phase II- evaluation of 1984 field and laboratory quality-assurance practices},
  author = {Carolyn J. Oblinger Childress and Thomas H. Chaney and Donna A. Myers and J. Michael Norris and Janet Hren},
  year = {1989},
  doi = {10.3133/wsp2295b},
  url = {https://pubs.usgs.gov/publication/wsp2295B},
  note = {Source identifier: wsp2295B}
}