pl23_theb1754.jpg
Description
Taking a backsight.Level party of W. H. Burger
Credit
NOAA, John Hayford Album
Display Date
1902
Location
Texas, Area near Pittsburg
Category
Historic Coast & Geodetic Survey
Geodesy
Determining the Elevations - Leveling a Continent
Keywords
Geodesy
Leveling
Getting There
Velocipede