To the Editor:
Folks who agree that sea levels are rising might find the term “mean sea level” illogical to include in a town ordinance.
The data sheets for geodetic markers used in surveying don’t use that term, but instead use “orthometric height.” The markers, all over LBI, and their data sheets (sometimes photos) can be found online, without a scavenger hunt. Read one such data sheet and you’ll discover that the local geo marker height is not actually measured, but computed and “adjusted.”
December 23, 2021
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