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In 2002, the preserved bottom part of a wreck was excavated, identified as a cog, and named Doel 2. An interdisciplinary research programme (2010-2014), revealed that the ship was constructed after 1328 with wood from northern Poland. Complete 3D-registration of the timbers, and structural analysis showed it had a keelplank with a natural upward curve at the bow that served as a hook, and that most bottom planks were recaulked, among many other repairs. The ship ended up in 'den Deurganck', a creek near the Scheldt river where it was partially disassembled before the surviving remains were inverted, probably as a result of a flood. This paper presents the detailed recording and archaeological interpretation of the ship remains, and the results of the dendrochronological analysis. [ABSTRACT FROM AUTHOR]

In 2000, the remains of a cog, Doel 1, were found in Doel, Belgium. Wood species identification of all ship timbers and smaller elements was performed. European oak was the dominant species, followed by alder that was used for the fairings. In total 150 ring-width series were recorded. The construction date was set at AD 1325/26 and the timbers proved to originate from forests along the rivers Elbe and Weser. For the bottom strakes a strict symmetrical layout was observed. The keel plank was hewn from a trunk with a slightly earlier felling date. Repairs were performed with high-quality boards, some with a southern Baltic provenance. [ABSTRACT FROM AUTHOR]