This unbound logbook contains data from Eltanin cruise 18 and 19 from June 05 to August 24, 1965. Summary of route: Eltanin 18 stops at various points in the South Pacific and Southern Ocean between approximately 54° s and 62° s, and 99° w and 154° w. The bulk of the collection consists of 3 different data sheets recording the following information: "opening and closing plankton tows", "Nansen bottles", ship and cruise no., station no., sample number, total no. samples, coordinates, date, local time, tow type, net in, net out, length of tow, wire angle at max depth, flowmeter reading, corrected depth range, flowmeter no., displacement vol., flowmeter calibration factor, corrected displ. vol., vol. H20 filtered, wire angle information, sky condition, sea condition, surface water temperature, BT slide data, BT temperatures, hydro station data, surface salinity, core no., secchi disk, comments (successful? If not why?), observer name.
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