TY - ART TI - Hydrographic data from the OPTOMA Program : OPTOMA12, 8-18 October 1984, OPTOMA13, 22 October-3 November 1984, OPTOMA13P, 27 October 1984, OPTOMA14, 3-14 November 1984 — Illustration, Page 22 PY - 1985 UR - https://www.biodiversitylibrary.org/page/41189111 ID - page-41189111 ER -