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![Trincomalee Canyon, Sri Lanka theb3817.jpg Trincomalee Canyon, Sri Lanka](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb3817.jpg?itok=bJ4Tmqwj)
Description
Trincomalee Canyon, Sri Lanka.Surveyed by PIONEER.Survey made during International Indian Ocean Expedition (Image credit: NOAA Central Library )
Credit
NOAA Central Library
Display Date
1964
Location
Sri Lanka, Indian Ocean Photo
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Bathymetry - Mapping the Features
1920-1985
Keywords
Charting
Soundings
Bathymetry
Acoustic