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![Installation of deepsea sounding equipment theb3801.jpg Installation of deepsea sounding equipment](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb3801.jpg?itok=MXXgsEa1)
Description
Installation of deepsea sounding equipment.C&GS; 1931 Hydrographic Manual (Image credit: NOAA Central Library )
Credit
NOAA Central Library
Display Date
1931
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Bathymetry - Mapping the Features
Pre-1920
Keywords
Charting
Soundings
Bathymetry
Mechanical