Hirsch, R.M., and De Cicco, L.A., 2015, User guide to Exploration and Graphics for RivEr Trends (EGRET) and dataRetrieval: R packages for hydrologic data (version 2.0, February 2015): U.S. Geological Survey Techniques and Methods book 4, chap. A10, 93 p., doi:10.3133/tm4A10

@InBook{,
  author = {Robert M. Hirsch and Laura A. {De Cicco}},
  title = {User guide to Exploration and Graphics for RivEr Trends (EGRET) and dataRetrieval: R packages for hydrologic data},
  publisher = {U.S. Geological Survey},
  address = {Reston, VA},
  booktitle = {Techniques and Methods},
  institution = {U.S. Geological Survey},
  year = {2015},
  chapter = {A10},
  url = {https://pubs.usgs.gov/tm/04/a10/},
}
  • Robert Hirsch. Author.

  • Laura DeCicco. Author, maintainer.

  • Tim Cohn. Contributor.

  • David Watkins. Contributor.

  • Lindsay Carr. Contributor.

  • Jennifer Murphy. Contributor.