pl23_theb2455.jpg
![Diagram of wiredrag operations ca theb2455.jpg Diagram of wiredrag operations ca](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2455.jpg)
Description
Diagram of wiredrag operations ca. 1980.Basically the same system as devised in the early Twentieth Century
Credit
NOAA Office of Coast Survey
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Soundings
Wiredrag
Keywords
Charting
Soundings
Wiredrag