@misc{indiciaef02bcc49ef42, title = {Radioisotopic sand tracer study, Point Conception, California : preliminary report on accomplishments, July 1966 - June 1968 — Illustration, BHL page 32760674}, year = {1969}, url = {https://www.biodiversitylibrary.org/page/32760674}, note = {Source identifier: page-32760674} }