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![Hydrographic Launch from 1942 Hydrographic Manual theb2103.jpg Hydrographic Launch from 1942 Hydrographic Manual](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2103.jpg?itok=TiwxoBLv)
Description
Hydrographic Launch from 1942 Hydrographic Manual.EXPLORER Launch
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Soundings
Sounding Boats
Keywords
Charting
Soundings
Leadline
Boats
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