@misc{indiciae8f1defd109ed,
  title = {Trends and traditions: Overview and synthesis},
  author = {W David Shuford and Robert E. Gill and Colleen M. Handel},
  year = {2017},
  doi = {10.21199/swb3.intro},
  url = {https://pubs.usgs.gov/publication/70200042},
  note = {Source identifier: 70200042}
}