pl23_theb0917.jpg
Description
Lieutenant Roswell Bolstad measuring a horizontal angle.On LYDONIA
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