@misc{indiciae1da3301bde84,
  title = {Key water issues now facing our nation},
  author = {Robert M. Hirsch and Timothy L. Miller and Pixie A. Hamilton and Robert J. Gilliom},
  year = {2008},
  url = {https://pubs.usgs.gov/publication/70192789},
  note = {Source identifier: 70192789}
}