pl23_theb2506.jpg
Description
Using a day marker as a tower.Photo#1 of sequence
Credit
Family of Captain Carl I. Aslakson, C&GS;
Display Date
1924
Location
Florida, Lake Okeechobee
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Wooden Towers & Signal Poles
Keywords
Geodesy
Triangulation
Towers
Wooden