"Nonnewaug physically includes “the Nonnewaug floodplain,” literally "dry land" only in the sense that it was once was a glacial lake. It was under cultivation by Indigenous People living at the Nonnewaug Wigwams in 1672/1673 and up until 1740. There is also a now stranded and disturbed diagonal row of boulders in the river known as the Nonnewaug and perhaps you could say it was: “The fish weir farthest up the little river that joins up with the Great River at Pootatuck.”
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The Sachem Nonnewaug is often referred to as "Nonnewaug:"
Just as the Sachem at Pomperaug was often referred to as "Pomperaug."