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pl23_theb1755.jpg

Rodman holding rod vertical during observations

Image

Download ( 649 KB )

Permalink

https://www.noaa.gov/media/digital-library-photo/pl23theb1755jpg

Description

Rodman holding rod vertical during observations.

Credit

NOAA, John Hayford Album

Display Date

1900?

Collection

Historic Coast & Geodetic Survey

Geodesy

Determining the Elevations - Leveling a Continent

Keywords

Geodesy

Leveling