@misc{indiciaea4ae14f71fff,
  title = {User guide to Exploration and Graphics for RivEr Trends (EGRET) and dataRetrieval: R packages for hydrologic data},
  author = {Robert M. Hirsch and Laura A. De Cicco},
  year = {2015},
  doi = {10.3133/tm4a10},
  url = {https://pubs.usgs.gov/publication/tm4A10},
  note = {Source identifier: tm4A10}
}