@misc{indiciaeb546acdd9989,
  title = {Preliminary bathymetric map and location of two cores, South Lake Merced, San Francisco, California},
  author = {Michael J. Rymer and John D. Sims},
  year = {1975},
  doi = {10.3133/ofr75591},
  url = {https://pubs.usgs.gov/publication/ofr75591},
  note = {Source identifier: ofr75591}
}