@misc{indiciae10e851531a76,
  title = {CONCEPTUAL DESIGN OF THE SURFACE WATER COMPONENT OF THE NATIONAL WATER QUALITY ASSESSMENT (NAWQA) PROGRAM.},
  author = {Robert M. Hirsch},
  year = {1986},
  url = {https://pubs.usgs.gov/publication/70014604},
  note = {Source identifier: 70014604}
}