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![Lieutenant Roswell Bolstad measuring a horizontal angle theb0917.jpg Lieutenant Roswell Bolstad measuring a horizontal angle](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb0917.jpg?itok=_zeEVJAL)
Description
Lieutenant Roswell Bolstad measuring a horizontal angle.On LYDONIA (Image credit: Captain Hubert A. Paton, C&GS;)
Credit
Captain Hubert A. Paton, C&GS;
Display Date
1928
Location
United States East Coast
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Navigation
3-Point Sextant Fix
Keywords
Charting
Navigation
Visual Signals
Sextant