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Description
Observer riding ahead.Level crew of W. H. Burger (Image credit: NOAA, John Hayford Album)
Credit
NOAA, John Hayford Album
Display Date
1902
Location
Texas, Area near Pittsburg
Collection
Historic Coast & Geodetic Survey
Geodesy
Determining the Elevations - Leveling a Continent
Keywords
Geodesy
Leveling
Getting There
Velocipede