Digital Library Search
![Diagram of wiredrag operations ca theb2455.jpg Diagram of wiredrag operations ca](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2455.jpg?itok=tbDhkjOe)
Description
Diagram of wiredrag operations ca. 1980.Basically the same system as devised in the early Twentieth Century (Image credit: NOAA Office of Coast Survey)
Credit
NOAA Office of Coast Survey
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Soundings
Wiredrag
Keywords
Charting
Soundings
Wiredrag