Digital collections
Description
Early morning computing - verifying last night's work.Astro party of Ralph Pfau (Image credit: C&GS; Season's Report Pfau 1930)
Credit
C&GS; Season's Report Pfau 1930
Display Date
1930
Location
Northeast United States
Category
Historic Coast & Geodetic Survey
Geodesy
Astronomic Latitude and Longitude
Keywords
Geodesy
Astro