pl23_theb1840.jpg
![Leveling upper mark with accuracy only to cms theb1840.jpg Leveling upper mark with accuracy only to cms](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1840.jpg)
Description
Leveling upper mark with accuracy only to cms.Special training mission of Joseph Lushene
Credit
C&GS; Special Report Lushene 1946
Display Date
1946
Location
Brazil
Collection
Historic Coast & Geodetic Survey
Geodesy
Determining the Elevations - Leveling a Continent
Keywords
Geodesy
Leveling