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![A level rod balanced on the highest point of a turtle, positioned carefully tobe seen from multiple points cgs02666.jpg A level rod balanced on the highest point of a turtle, positioned carefully tobe seen from multiple points](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02666.jpg?itok=r7XQwXvh)
Description
A level rod balanced on the highest point of a turtle, positioned carefully tobe seen from multiple points. (Image credit: NOAA Teacher at Sea Program | Robert Ulmer)
Credit
NOAA Teacher at Sea Program
Photographer
Robert Ulmer
Display Date
2013 June 19
Collection
Historic Coast & Geodetic Survey
NOAA Affiliation
Lake Butler MS