Word: elso
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Dates: during 1953-1953
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...Science, Biologist Elso S. Barghoorn of Harvard tells about recent archaeological studies that have pretty well settled the question. Ancient Indian fish weirs found under Boston's Boylston Street have been excavated and their age determined by carbon 14 dating. One weir proved to be about 4,500 years old. Its position below sea level indicates that the tidal flat on which it was built has sunk about 20 ft. This works out to an average submergence of roughly six inches a century since Massachusetts was occupied by the fish-catching Indians...