@misc{indiciaef92a220d5e10,
  title = {Age Determination of the Remaining Peat in the Sacramento-San Joaquin Delta, California, USA},
  author = {Judith Z. Drexler and Christian S. de Fontaine and Donna L. Knifong},
  year = {2007},
  doi = {10.3133/ofr20071303},
  url = {https://pubs.usgs.gov/publication/ofr20071303},
  note = {Source identifier: ofr20071303}
}