@misc{indiciae0c803efc83bf,
  title = {Radioisotopic sand tracer study, Point Conception, California : preliminary report on accomplishments, July 1966 - June 1968 — Illustration, Page 56},
  year = {1969},
  url = {https://www.biodiversitylibrary.org/page/32760556},
  note = {Source identifier: page-32760556}
}