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![Various bottom configurations theb2160.jpg Various bottom configurations](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2160.jpg?itok=KhjZ3AXD)
Description
Various bottom configurations.Hydrographic Manual 1942 (Image credit: NOAA Central Library)
Credit
NOAA Central Library
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Soundings
Acoustic Sound Systems
Keywords
Charting
Soundings
Fathogram