pl23_theb2538.jpg
Description
Lightkeeper orienting lights for distant observers.Tower at Station Northome.Osborne at lights, Caouette recording, Tryon at tent.Triangulation party of Carl I. Aslakson
Credit
Captain Ray Tryon, C&GS;
Display Date
1934
Location
Minnesota, Koochiching County
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Bilby Steel Towers
Keywords
Geodesy
Triangulation
Towers
Bilby Steel