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Great-grandson of Benjamin Franklin, Alexander Dallas Bache, was born in Philadelphia, PA on July 19, 1806. During his 24 years as Superintendent of the United States Coast Survey he led the organization in mapping out the eastern seaboard of the U.S. by establishing observation stations which were also used to gather meteorological data.
Image via Wikimedia Commons, public domain
https://heartfelthistory.com/on-this-day-in-american-history-july-19/
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