Cruises 85, 87-91, 94-95, 97, 1964, part 2 : cruise 87

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This folder contains maps, graphs, and tables compiling hydrographic data from Smithsonian Cruise 87, collected in April 1964. Data were collected on the Pacific Ocean between Hawaii and Johnston Atoll as well as to the south and southwest of Johnston Atoll, within the area approximately bounded by 12° to 20° N and 161° to 174° W. Individual hand-drawn maps plot BT station numbers, surface salinity (‰), corrected surface temp. (°C), 20° isotherm depth (meters), depth of the mixed layer (meters), bucket temperature (°C) and bucket salinity (‰). Also plotted on these maps are data from Gilbert Cr. #72, collected April 14-17, 1964. Graphs in the folder plot various data (surface temperature (°C), surface salinity (‰), depth (meters), and depth of the mixed layer(meters)) by longitude. Tables in the folder are compilations of hydrographic data, locality data for stations, bucket temp. and BT slide # for each station, and a comparison of BT and bucket surface temperatures at each station.

Date Range


Start Date

Apr 03, 1964

End Date

Apr 17, 1964

Access Information

Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at


  • Hydrographic surveying
  • Hydrography


Pacific Ocean


  • Fieldbook record
  • Field notes

Accession #

SIA RU000245

Collection name

National Museum of Natural History, Pacific Ocean Biological Survey Program, records, circa 1961-1973, with data from 1923

Physical Description

1 folder

Physical Location

Smithsonian Institution Archives


Box 209 Folder 3