@misc{indiciaeeeb91234e7ca,
  title = {Quality-assurance plan for groundwater activities, U.S. Geological Survey Dakota Water Science Center},
  author = {Joshua F. Valder and Janet M. Carter and Steven M. Robinson and Christopher D. Laveau and Joel A. Petersen},
  year = {2018},
  doi = {10.3133/ofr20181103},
  url = {https://pubs.usgs.gov/publication/ofr20181103},
  note = {Source identifier: ofr20181103}
}