@misc{indiciae3509f5e6df28,
  title = {Mineralogical and geochemical analyses of three paleosols from the Merced Formation, near San Francisco, California},
  author = {Gretchen Luepke},
  year = {1991},
  doi = {10.3133/ofr91104},
  url = {https://pubs.usgs.gov/publication/ofr91104},
  note = {Source identifier: ofr91104}
}