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50-foot Bilby tower in Nebraska or Montana

Description

50-foot Bilby tower in Nebraska or Montana.Triangulation party of Wilbur Porter

Credit

NOAA, George E. Marsh Album

Display Date

1934

Location

Midwestern United States

Collection

Historic Coast & Geodetic Survey
Geodesy
Triangulation
Bilby Steel Towers

Keywords

Geodesy
Triangulation
Towers
Bilby Steel