Publication Sample-type Sample-ID Group-ID Sample Lat(DD) Long(DD) Elev(masl) Thickn(cm) Density(g/cm3) Shield 10Be-conc(at/g) 10Be-unc(at/g) 10Be-std 26Al-conc(at/g) 26Al-unc(at/g) 26Al-std 14C-conc(at/g) 14C-unc(at/g) Sampl-year Publ-10-age(yr) Publ-10-unc(yr) Publ-26-age(yr) Publ-26-unc(yr) Publ-14-age(yr) Publ-14-unc(yr) 10Be-age(yr) 10-ext-unc(yr) 10-int-unc(yr) 26Al-age(yr) 26-ext-unc(yr) 26-int-unc(yr) 14C-age(yr) 14-ext-unc(yr) 14-int-unc(yr) Extra-publ Nørgaard et al. (2023) boulder Nørg2023-1 Nørg2023-A MS-M15B-1 63.43148 147.68770 982 1 2.65 0.98148 1371713 20235 07KNSTD - - - - - 2021 124089 7786 - - - - 130013 8294 1982 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-2 Nørg2023-A MS-M15B-2 63.43182 147.68498 984 3 2.65 0.98148 1187275 16974 07KNSTD - - - - - 2021 108561 6773 - - - - 113841 7220 1675 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-3 Nørg2023-A MS-M15B-3 63.43183 147.68724 980 1.5 2.65 1 1424298 47488 07KNSTD - - - - - 2021 129789 9087 - - - - 133425 9465 4600 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-4 Nørg2023-A MS-MB-1 63.42026 147.65989 950 2.5 2.65 0.9244 290104 13199 07KNSTD - - - - - 2021 26728 2005 - - - - 29761 2257 1364 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-5 Nørg2023-A MS-MB-10 63.41818 147.66888 967 2 2.65 0.88354 374061 3141 07KNSTD - - - - - 2021 33845 2034 - - - - 39431 2411 334 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-6 Nørg2023-A MS-MB-12 63.41729 147.67362 980 2.5 2.65 0.91602 727435 19335 07KNSTD - - - - - 2021 65803 4329 - - - - 73981 4942 2003 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-7 Nørg2023-A MS-MB-2 63.42305 147.66183 965 3 2.65 0.91187 131212 6949 07KNSTD - - - - - 2021 11939 949 - - - - 13510 1084 718 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-8 Nørg2023-A MS-MB-4 63.42503 147.66767 991 3 2.65 0.89553 76260 5107 07KNSTD - - - - - 2021 6800 608 - - - - 7771 700 521 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-9 Nørg2023-A MS-MB-5 63.42593 147.66876 993 3 2.65 0.90365 466894 11013 07KNSTD - - - - - 2021 41668 2675 - - - - 47490 3096 1134 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-10 Nørg2023-B MS-M2B-2 63.45558 147.76514 998 3 2.65 0.9244 360458 12589 07KNSTD - - - - - 2021 31954 2208 - - - - 35591 2491 1254 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-11 Nørg2023-B MS-M2B-3 63.45386 147.76429 987 2.5 2.65 0.91602 420312 8480 07KNSTD - - - - - 2021 37526 2362 - - - - 42171 2696 860 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-12 Nørg2023-B MS-M2B-4 63.45465 147.76260 983 2 2.65 0.9202 489909 12799 07KNSTD - - - - - 2021 43782 2856 - - - - 48972 3242 1295 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-13 Nørg2023-B MS-M2B-6 63.45559 147.76038 988 2 2.65 0.9244 420769 11178 07KNSTD - - - - - 2021 37380 2441 - - - - 41613 2757 1117 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-14 Nørg2023-B MS-M2B-7 63.45634 147.75728 987 2 2.65 0.95456 753910 10998 07KNSTD - - - - - 2021 67517 4173 - - - - 72778 4573 1081 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-15 Nørg2023-B MS-M2B-8 63.45708 147.75829 985 1.5 2.65 0.9202 989393 54290 07KNSTD - - - - - 2021 88860 7321 - - - - 99450 8287 5595 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-16 Nørg2023-C MS-M3B-1 63.48573 147.82303 975 3 2.65 0.93716 159184 9419 07KNSTD - - - - - 2021 14367 1205 - - - - 15797 1336 938 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-17 Nørg2023-C MS-M3B-11 63.48246 147.82472 966 2 2.65 1 313815 8469 07KNSTD - - - - - 2021 28386 1855 - - - - 29200 1934 794 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-18 Nørg2023-C MS-M3B-3 63.48555 147.82318 974 2 2.65 0.9202 201186 6241 07KNSTD - - - - - 2021 18034 1208 - - - - 20177 1369 629 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-19 Nørg2023-C MS-M3B-4 63.48478 147.82164 986 2 2.65 0.9202 150382 14714 07KNSTD - - - - - 2021 13328 1528 - - - - 14921 1719 1465 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-20 Nørg2023-C MS-M3B-7 63.48416 147.82126 978 2 2.65 0.93716 444162 8139 07KNSTD - - - - - 2021 39838 2486 - - - - 43740 2772 810 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-21 Nørg2023-C MS-M3B-8 63.48416 147.82126 978 2 2.65 0.89958 145453 4412 07KNSTD - - - - - 2021 12985 864 - - - - 14870 1003 453 - - - - - - - Nørgaard et al. (2023) boulder Nørg2023-22 Nørg2023-C MS-M3B-9 63.48353 147.82117 972 1.5 2.65 0.89151 117422 4086 07KNSTD - - - - - 2021 10456 718 - - - - 12125 843 423 - - - - - - - Reference: Nørgaard J, Margold M, Jansen JD, Kurbanov R, Szuman I, Andersen JL, Olsen J, Knudsen MF, 2023. Absence of large‐scale ice masses in central northeast Siberia during the late Pleistocene. Geophysical Research Letters 50 e2023GL103594. https://doi.org/10.1029/2023gl103594 Data comments: All sample data present in publication. Group ID based on publication (Table 1). expage.github.io - data from expage-202610