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Het constructiehout is opgegraven door BAAC tijdens onderzoek op de site Duiven ViA15 deelgebied 8, locatie 1247 Huis Rijswijk (Archisnr. 4878318100). Het materiaal omvat tien duigen van een gestapelde tonput (S9001). Ook zijn er palen uit de gracht, beschoeiing en mogelijk brugconstructie van de voorburcht onderzocht (S7037, S8024). Het dendrochronologisch onderzoek naar ton 394 resulteerde in een vroegst mogelijk kapjaar ná 1549 ± 6. Het vroegst mogelijk kapjaar van de bovenste ton vnr. 390 dateert ná 1528 ± 6. Hoewel niet met zekerheid is vast te stellen hoeveel jaarringen ontbreken, is het zeer aannemelijk dat de eiken voor de tonnen zijn gekapt ergens in de tweede helft van de 16e eeuw. De herkomst van de tonnen is midden Duitsland of het oosten van België. Het kapjaar van de eik (vnr. 516) in de vermoede brugconstructie is zeer nauwkeurig te dateren, namelijk in de herfst/winter van 1400 – 1401. Het jaarringenpatroon van de paal vnr. 168 kon in dit onderzoek niet gedateerd worden."}}]},{"typeName":"subject","multiple":true,"typeClass":"controlledVocabulary","value":["Arts and Humanities"]},{"typeName":"keyword","multiple":true,"typeClass":"compound","value":[{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"Dendrochronology"}},{"keywordValue":{"typeName":"keywordValue","multiple":false,"typeClass":"primitive","value":"Tree-ring data"}}]},{"typeName":"language","multiple":true,"typeClass":"controlledVocabulary","value":["Dutch"]},{"typeName":"depositor","multiple":false,"typeClass":"primitive","value":"Doeve, Petra"},{"typeName":"dateOfDeposit","multiple":false,"typeClass":"primitive","value":"2022-07-19"}]},"dccd":{"displayName":"DCCD Metadata","name":"dccd","fields":[{"typeName":"dccd-projectType","multiple":true,"typeClass":"controlledVocabulary","value":["dating"]},{"typeName":"dccd-category","multiple":false,"typeClass":"controlledVocabulary","value":"archaeology"},{"typeName":"dccd-principalInvestigator","multiple":false,"typeClass":"primitive","value":"Petra Doeve"},{"typeName":"dccd-objectType","multiple":true,"typeClass":"controlledVocabulary","value":["bridge","post","water well"]},{"typeName":"dccd-elementType","multiple":true,"typeClass":"controlledVocabulary","value":["post","stave"]},{"typeName":"dccd-taxon","multiple":true,"typeClass":"controlledVocabulary","value":["Quercus"]},{"typeName":"dccd-location","multiple":true,"typeClass":"compound","value":[{"dccd-latitude":{"typeName":"dccd-latitude","multiple":false,"typeClass":"primitive","value":"51.92682"},"dccd-longitude":{"typeName":"dccd-longitude","multiple":false,"typeClass":"primitive","value":"6.03403"}}]},{"typeName":"dccd-period","multiple":true,"typeClass":"compound","value":[{"dccd-periodStart":{"typeName":"dccd-periodStart","multiple":false,"typeClass":"primitive","value":"1267"},"dccd-periodEnd":{"typeName":"dccd-periodEnd","multiple":false,"typeClass":"primitive","value":"1529"}}]}]},"dansDataVaultMetadata":{"displayName":"Data Vault Metadata","name":"dansDataVaultMetadata","fields":[{"typeName":"dansDataversePid","multiple":false,"typeClass":"primitive","value":"doi:10.34894/1MPC6E"},{"typeName":"dansDataversePidVersion","multiple":false,"typeClass":"primitive","value":"2.0"},{"typeName":"dansBagId","multiple":false,"typeClass":"primitive","value":"urn:uuid:124adc5a-4dda-40ac-9925-df1743248b60"},{"typeName":"dansNbn","multiple":false,"typeClass":"primitive","value":"urn:nbn:nl:ui:13-876ecbee-274e-43e7-ad22-7e49b515c1ad"}]}},"files":[{"label":"20.0228 Dendrochronologie ton beschoeiing brug Huis Rijswijk.pdf","restricted":false,"version":1,"datasetVersionId":35195,"categories":["Documentation"],"dataFile":{"id":662795,"persistentId":"","filename":"20.0228 Dendrochronologie ton beschoeiing brug Huis Rijswijk.pdf","contentType":"application/pdf","friendlyType":"Adobe PDF","filesize":1891014,"categories":["Documentation"],"storageIdentifier":"surf://store:1a0100f90d2-b206e3e886c9","rootDataFileId":-1,"checksum":{"type":"SHA-1","value":"06a9136ed2f89f92c9bc7d0d8dca6e61ea4d4905"},"tabularData":false,"creationDate":"2026-08-17","publicationDate":"2026-08-17","lastUpdateTime":"2026-08-17T14:11:03Z","fileAccessRequest":true}},{"label":"22DT meetdata.fh","restricted":false,"version":1,"datasetVersionId":35195,"categories":["Data"],"dataFile":{"id":662791,"persistentId":"","filename":"22DT meetdata.fh","contentType":"application/octet-stream","friendlyType":"Unknown","filesize":18190,"categories":["Data"],"storageIdentifier":"surf://store:1a00ff87bd1-1078f8fa813a","rootDataFileId":-1,"checksum":{"type":"SHA-1","value":"558f378702394e9a4568ae9e68c43c111e1eff3c"},"tabularData":false,"creationDate":"2026-08-17","publicationDate":"2026-08-17","lastUpdateTime":"2026-08-17T14:11:03Z","fileAccessRequest":true}}]}}}