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De palen die zich in het pad van de nieuwe vaargeul bevinden zijn middels een kraan geborgen en op de kant in twee stapels gestort. Deze stapels corresponderen met twee verschillende locaties waarbinnen (mogelijk) meerdere structuren aanwezig zijn.\n\nOm de ouderdom van deze structuren te bepalen zijn monsters genomen voor dendrochronologich onderzoek. Uit de palen van westelijke locatie zijn acht monsters genomen en 13 voor de oostelijke locatie.\nHierbij gaat het in alle gevallen om grove den (Pinus sylvestris L.). Op één monster na is overal de wankant aanwezig waardoor nauwkeurige kapseizoenen bepaalt kunnen worden.\n\nOp de westelijke locatie lijken drie fases aanwezig; de oudste bestaat uit grenen dat in de hersft/winter van 1617/18 en 1618/19 gekapt is en vermoedelijk uit 1619 stamt. Deze fase is alleen in de westelijke locatie aangetroffen en betreft mogelijk de noord georiënteerde palenrij aan de westkant. 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