@misc{indiciae134e27e4a9c8,
  title = {Biologic origin of iron nodules in a marine terrace chronosequence, Santa Cruz, California},
  author = {M. S. Schulz and D. Vivit and C. Schulz and J. Fitzpatrick and A. White},
  year = {2010},
  doi = {10.2136/sssaj2009.0144},
  url = {https://pubs.usgs.gov/publication/70037167},
  note = {Source identifier: 70037167}
}