@misc{indiciae954ff6f8fa41,
  title = {Statistical identification of hydrochemical response units for hydrologic monitoring and modeling in Maryland},
  author = {S. D. Preston},
  year = {2000},
  doi = {10.3133/wri004232},
  url = {https://pubs.usgs.gov/publication/wri004232},
  note = {Source identifier: wri004232}
}