@misc{indiciaecddaac80420b,
  title = {Determination of bench-mark elevations at Bethel Island and vicinity, Contra Costa and San Joaquin counties, California, 1987},
  author = {J. C. Blodgett and M. E. Ikehara and William F. McCaffrey},
  year = {1988},
  doi = {10.3133/ofr88498},
  url = {https://pubs.usgs.gov/publication/ofr88498},
  note = {Source identifier: ofr88498}
}