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pl23_theb3559.jpg

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Permalink

https://www.noaa.gov/media/digital-library-photo/pl23theb3559jpg

Description

Ralph Pfau (l).Early morning computing of previous night's astronomic observations

Credit

C&GS; Season's Report Pfau 1930

Display Date

1930

Location

Upper Midwest of United States

Collection

Historic Coast & Geodetic Survey

Keywords

Personnel

Group Portrait

Ralph Pfau