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 Norris et al. (2022) boulder Norr2022-1 Norr2022-A PL-SN-01 52.1622 -113.5128 927 2 2.6 1 56602 1607 07KNSTD - - - - - 2019 6000 200 - - - - 6026 400 171 - - - - - - - Norris et al. (2022) boulder Norr2022-2 Norr2022-A PL-SN-02 52.1622 -113.5127 927 2 2.6 1 54769 1976 07KNSTD - - - - - 2019 5900 200 - - - - 5844 409 211 - - - - - - - Norris et al. (2022) boulder Norr2022-3 Norr2022-A PL-SN-03 52.1621 -113.5127 926 2 2.6 1 80616 1695 07KNSTD - - - - - 2019 8400 200 - - - - 8406 535 177 - - - - - - - Norris et al. (2022) boulder Norr2022-4 Norr2022-A PL-SN-05 52.1607 -113.5440 976 2 2.6 1 130685 2587 07KNSTD - - - - - 2019 13300 300 - - - - 13270 841 264 - - - - - - - Norris et al. (2022) boulder Norr2022-5 Norr2022-B ML-BR-01 54.2769 -109.0520 496 3 2.6 1 90900 2205 07KNSTD - - - - - 2019 13900 300 - - - - 13920 903 339 - - - - - - - Norris et al. (2022) boulder Norr2022-6 Norr2022-B ML-BR-02 54.2770 -109.0521 492 2.5 2.6 1 88020 2402 07KNSTD - - - - - 2019 13500 400 - - - - 13464 890 369 - - - - - - - Norris et al. (2022) boulder Norr2022-7 Norr2022-B ML-BR-03 54.2769 -109.0535 492 3 2.6 1 87398 1848 07KNSTD - - - - - 2019 13400 300 - - - - 13425 856 285 - - - - - - - Norris et al. (2022) boulder Norr2022-8 Norr2022-B ML-BR-04 54.2768 -109.0540 501 3 2.6 1 92033 1943 07KNSTD - - - - - 2019 14000 300 - - - - 14032 895 297 - - - - - - - Norris et al. (2022) boulder Norr2022-9 Norr2022-C ML-BR-06 54.3168 -109.5247 490 3 2.6 1 85866 1965 07KNSTD - - - - - 2019 13200 300 - - - - 13212 851 303 - - - - - - - Norris et al. (2022) boulder Norr2022-10 Norr2022-C ML-BR-07 54.3179 -109.5248 526 3 2.6 1 87450 2179 07KNSTD - - - - - 2019 13000 300 - - - - 13015 848 325 - - - - - - - Norris et al. (2022) boulder Norr2022-11 Norr2022-D CLM-S-02 56.8340 -109.0767 455 2.5 2.6 1 106578 2095 07KNSTD - - - - - 2019 16900 300 - - - - 16534 1047 326 - - - - - - - Norris et al. (2022) boulder Norr2022-12 Norr2022-D CLM-S-03 56.8344 -109.0761 457 3.5 2.6 1 69762 1890 07KNSTD - - - - - 2019 11100 300 - - - - 10822 714 294 - - - - - - - Norris et al. (2022) boulder Norr2022-13 Norr2022-D CLM-S-04 56.9179 -108.9774 432 3 2.6 1 80821 2165 07KNSTD - - - - - 2019 13200 400 - - - - 12868 848 346 - - - - - - - Norris et al. (2022) boulder Norr2022-14 Norr2022-D CLM-S-05 56.9178 -108.9780 425 2 2.6 1 90659 1910 07KNSTD - - - - - 2019 14800 300 - - - - 14421 920 305 - - - - - - - Norris et al. (2022) boulder Norr2022-15 Norr2022-D CLM-S-06 56.9179 -108.9780 425 2.5 2.6 1 79711 1897 07KNSTD - - - - - 2019 13000 300 - - - - 12712 823 303 - - - - - - - Norris et al. (2022) boulder Norr2022-16 Norr2022-E CLM-Mr-01 57.5234 -109.3115 566 1.5 2.6 1 83839 1766 07KNSTD - - - - - 2019 12000 300 - - - - 11518 734 243 - - - - - - - Norris et al. (2022) boulder Norr2022-17 Norr2022-E CLM-Mr-03 57.5233 -109.3106 569 1.5 2.6 1 88465 1866 07KNSTD - - - - - 2019 12600 300 - - - - 12151 775 257 - - - - - - - Norris et al. (2022) boulder Norr2022-18 Norr2022-E CLM-Mr-13 57.5237 -109.3104 573 2 2.6 1 83457 1758 07KNSTD - - - - - 2019 11900 300 - - - - 11437 729 242 - - - - - - - Norris et al. (2022) boulder Norr2022-19 Norr2022-F CLM-Mr-04 57.3490 -109.2239 554 2 2.6 1 101095 2170 07KNSTD - - - - - 2019 14600 300 - - - - 14220 909 306 - - - - - - - Norris et al. (2022) boulder Norr2022-20 Norr2022-F CLM-Mr-05 57.3500 -109.2241 562 1.5 2.6 1 90668 1868 07KNSTD - - - - - 2019 13000 300 - - - - 12576 800 260 - - - - - - - Norris et al. (2022) boulder Norr2022-21 Norr2022-G UCLM-E-03 58.4685 -110.1993 285 4 2.6 1 59225 1336 07KNSTD - - - - - 2019 11300 300 - - - - 10766 691 244 - - - - - - - Norris et al. (2022) boulder Norr2022-22 Norr2022-G UCLM-E-04 58.4688 -110.2001 281 4 2.6 1 58797 1336 07KNSTD - - - - - 2019 11200 300 - - - - 10727 690 244 - - - - - - - Norris et al. (2022) boulder Norr2022-23 Norr2022-G UCLM-E-05 58.4678 -110.1981 283 4 2.6 1 83232 1761 07KNSTD - - - - - 2019 16000 300 - - - - 15260 974 324 - - - - - - - Norris et al. (2022) boulder Norr2022-24 Norr2022-H UCLM-W-06 58.1798 -110.4310 315 4 2.6 1 73800 1839 07KNSTD - - - - - 2019 13600 300 - - - - 13143 856 329 - - - - - - - Norris et al. (2022) boulder Norr2022-25 Norr2022-H UCLM-W-07 58.1807 -110.4298 344 4 2.6 1 66875 1412 07KNSTD - - - - - 2019 11900 300 - - - - 11516 734 244 - - - - - - - Norris et al. (2022) boulder Norr2022-26 Norr2022-H UCLM-W-08 58.1807 -110.4296 335 4 2.6 1 66859 1432 07KNSTD - - - - - 2019 12000 300 - - - - 11614 742 249 - - - - - - - Reference: Norris SL, Tarasov L, Monteath AJ, Gosse JC, Hidy AJ, Margold M, Froese DG, 2022. Rapid retreat of the southwestern Laurentide ice sheet during the Bølling-Allerød interval. Geology 50, 417-421. https://doi.org/10.1130/g49493.1 Data comments: Sampling year assumed to be 2019. Group ID based on sample location and geomorphology. expage.github.io - data from expage-202610