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![Leveling - river crossing on the lower Mississippi River theb1822.jpg Leveling - river crossing on the lower Mississippi River](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1822.jpg?itok=HkI9EDwo)
Description
Leveling - river crossing on the lower Mississippi River.Level party of Karl Jeffers (Image credit: C&GS; Season's Report Jeffers 1939)
Credit
C&GS; Season's Report Jeffers 1939
Display Date
1939
Location
Louisiana
Collection
Historic Coast & Geodetic Survey
Geodesy
Determining the Elevations - Leveling a Continent
Keywords
Geodesy
Leveling