@misc{indiciaec44b119b5752,
  title = {Pleistocene tephrostratigraphy and paleogeography of southern Puget Sound near Olympia, Washington},
  author = {Timothy J. Walsh and Michael Polenz and Robert L. Logan and Marvin A. Lanphere and Thomas W. Sisson},
  year = {2003},
  doi = {10.1130/0-8137-0004-3.225},
  url = {https://pubs.usgs.gov/publication/70240681},
  note = {Source identifier: 70240681}
}