@misc{indiciae04c6b00ad089,
  title = {San Francisco Bay Estuary and Delta Ecosystem},
  author = {F.H. Nichols},
  year = {1994},
  doi = {10.3133/ofr9498},
  url = {https://pubs.usgs.gov/publication/ofr9498},
  note = {Source identifier: ofr9498}
}