Additional Supporting information can be found in the online version of this article:

JQS_1516_sm_SuppTabS1.pdf16KSupplementary Table S1. Radiocarbon dates of shells and shell-fragments found in till or sub-till sediments from sites proximal to the Halsnøy moraine in western Norway
JQS_1516_sm_SuppAppS1.pdf11KSupplementary Appendix S1. Input code for P_Sequence with outlier analysis used for the age–depth modelling of the Eplandmyr stratigraphy in OxCal v4.1.7 (Bronk Ramsey, 2009a, b)

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