noun
EXAMPLES FROM CORPUS
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Fish moved from the lower parts to the headwaters soon evolve local ways.
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He did not know that Henry Schoolcraft had discovered the headwaters four years before and far to the north.
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In the headwaters of most rivers there are large tracts of agricultural land and a virtual absence of industrial discharges.
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The 325-acre fen, headwaters of the Waveney river, will be designated a national nature reserve.
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The highest of the mountain ridges separated the headwaters of the Belpan and Makaa.