@misc{indiciae6b3fefd57c64,
  title = {Documentation and analysis of a geographic information system application for combining data layers, using nonpoint-source pollution as an example},
  author = {James L. Kiesler},
  year = {2002},
  doi = {10.3133/ofr00324},
  url = {https://pubs.usgs.gov/publication/ofr00324},
  note = {Source identifier: ofr00324}
}