@misc{indiciaedb8525aacbb0,
  title = {Characterization of organic matter in lake sediments from Minnesota and Yellowstone National Park},
  author = {Walter E. Dean},
  year = {2006},
  doi = {10.3133/ofr20061053},
  url = {https://pubs.usgs.gov/publication/ofr20061053},
  note = {Source identifier: ofr20061053}
}