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. 2018 Aug 22;9:3364. doi: 10.1038/s41467-018-05814-0

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — Millennial-scale structure in notched δ¹⁸O_pf compared to δ¹⁸O_cave. a Notched U1429 δ¹⁸O_pf on the cave-based age model. b Expanded 20–80 ka interval with millennial-scale Dansgaard–Oeschger (DO) and Heinrich events numbered. c Expanded 100–210 ka interval. d Expanded 250–340 ka interval showing structure not previously resolved in δ¹⁸O_cave