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pl23_theb2159.jpg

Various bottom configurations plus bar check record

Image

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Permalink

https://www.noaa.gov/media/digital-library-photo/pl23theb2159jpg

Description

Various bottom configurations plus bar check record.Hydrographic Manual 1942

Credit

NOAA Central Library

Collection

Historic Coast & Geodetic Survey

Nautical Charting

Soundings

Acoustic Sound Systems

Keywords

Charting

Soundings

Fathogram