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Description
Power source for hoisting steel.Jack up truck and use fifth wheel.This could be dangerous - at least one leg broken by getting wrapped up.Safety modifications made to system after individual severely injured.Triangulation party of Paul A. Smith (Image credit: C&GS; Season's Report Smith 1931)
Credit
C&GS; Season's Report Smith 1931
Display Date
1931
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Bilby Steel Towers
Keywords
Geodesy
Triangulation
Towers
Bilby Steel