pl23_theb1766.jpg
Description
Recording instrument mounted on left side of velocipede.Party of J. D. Crichton
Credit
C&GS; Season's Report Crichton 1920
Display Date
1920
Location
Oregon
Category
Historic Coast & Geodetic Survey
Geodesy
Determining the Elevations - Leveling a Continent
Keywords
Geodesy
Leveling
Getting There
Velocipede