@misc{indiciae7fb607cbf18c,
  title = {Method for Estimating Annual Atrazine Use for Counties in the Conterminous United States, 1992-2007},
  author = {Gail P. Thelin and Wesley W. Stone},
  year = {2010},
  doi = {10.3133/sir20105034},
  url = {https://pubs.usgs.gov/publication/sir20105034},
  note = {Source identifier: sir20105034}
}