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Description
A 90-foot Bilby tower wrecked by a storm.Triangulation party of Earl O. Heaton (Image credit: C&GS; Season's Report Heaton 1929)
Credit
C&GS; Season's Report Heaton 1929
Display Date
1928
Location
Near Chariton, Iowa
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Bilby Steel Towers
Keywords
Geodesy
Triangulation
Towers
Bilby Steel