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 Sampl-year Publ-10-age(yr) Publ-10-unc(yr) Publ-26-age(yr) Publ-26-unc(yr) 10Be-age(yr) 10-ext-unc(yr) 10-int-unc(yr) 26Al-age(yr) 26-ext-unc(yr) 26-int-unc(yr) Extra-publ Leydet et al. (2018) boulder Leyd2018-1 Leyd2018-A NL-1-15 48.046 -90.045 517 3.5 2.65 1.000 87455 3318 07KNSTD 0 0 0 2015 14600 600 - - 14073 1021 536 - - - - Leydet et al. (2018) boulder Leyd2018-2 Leyd2018-A NL-3-15 48.052 -90.047 475 4 2.65 1.000 76499 3079 07KNSTD 0 0 0 2015 13300 500 - - 12807 945 517 - - - - Leydet et al. (2018) boulder Leyd2018-3 Leyd2018-A NL-4-15 48.056 -90.054 466 2 2.65 1.000 60778 2798 07KNSTD 0 0 0 2015 10500 500 - - 10018 772 462 - - - - Leydet et al. (2018) boulder Leyd2018-4 Leyd2018-A NL-5-15 48.056 -90.054 462 2 2.65 1.000 81799 3612 07KNSTD 0 0 0 2015 14100 600 - - 13658 1038 605 - - - - Leydet et al. (2018) boulder Leyd2018-5 Leyd2018-B FR-1-15 48.293 -90.266 490 3 2.65 1.000 83181 2504 07KNSTD 0 0 0 2015 14200 400 - - 13599 935 411 - - - - Leydet et al. (2018) boulder Leyd2018-6 Leyd2018-B FR-2-15 48.293 -90.266 490 2.5 2.65 1.000 82192 2975 07KNSTD 0 0 0 2015 13900 500 - - 13376 959 486 - - - - Leydet et al. (2018) boulder Leyd2018-7 Leyd2018-B FR-4-15 48.292 -90.265 492 2.5 2.65 1.000 65761 2554 07KNSTD 0 0 0 2015 11100 400 - - 10575 772 412 - - - - Leydet et al. (2018) boulder Leyd2018-8 Leyd2018-B FR-5-15 48.291 -90.266 495 2 2.65 1.000 68653 2238 07KNSTD 0 0 0 2015 11500 400 - - 10956 765 358 - - - - Leydet et al. (2018) boulder Leyd2018-9 Leyd2018-B FR-6-15 48.291 -90.266 496 3 2.65 1.000 83877 3184 07KNSTD 0 0 0 2015 14200 500 - - 13638 990 519 - - - - Leydet et al. (2018) boulder Leyd2018-10 Leyd2018-B FR-7-15 48.291 -90.266 498 2 2.65 1.000 70636 3718 07KNSTD 0 0 0 2015 11900 600 - - 11233 913 593 - - - - Leydet et al. (2018) boulder Leyd2018-11 Leyd2018-B FR-8-15 48.285 -90.265 511 2 2.65 1.000 78818 3130 07KNSTD 0 0 0 2015 13100 500 - - 12464 916 497 - - - - Leydet et al. (2018) boulder Leyd2018-12 Leyd2018-B FR-9-15 48.284 -90.265 512 1.5 2.65 1.000 83076 3212 07KNSTD 0 0 0 2015 13700 500 - - 13130 958 509 - - - - Leydet et al. (2018) boulder Leyd2018-13 Leyd2018-B FR-11-15 48.284 -90.265 506 1 2.65 1.000 86909 2641 07KNSTD 0 0 0 2015 14400 400 - - 13770 949 420 - - - - Leydet et al. (2018) boulder Leyd2018-14 Leyd2018-C KM-1-15 48.528 -89.664 494 2 2.65 1.000 78592 2931 07KNSTD 0 0 0 2015 13200 500 - - 12587 909 471 - - - - Leydet et al. (2018) boulder Leyd2018-15 Leyd2018-C KM-3-15 48.528 -89.665 484 3.5 2.65 1.000 49169 2919 07KNSTD 0 0 0 2015 8400 500 - - 7974 683 474 - - - - Leydet et al. (2018) boulder Leyd2018-16 Leyd2018-C KM-4-15 48.529 -89.667 475 3 2.65 1.000 74941 2756 07KNSTD 0 0 0 2015 12900 500 - - 12292 884 453 - - - - Leydet et al. (2018) boulder Leyd2018-17 Leyd2018-C KM-5-15 48.527 -89.665 487 3 2.65 1.000 69914 2599 07KNSTD 0 0 0 2015 11900 400 - - 11286 814 421 - - - - Leydet et al. (2018) boulder Leyd2018-18 Leyd2018-C KM-7-15 48.527 -89.665 487 3 2.65 1.000 98411 3299 07KNSTD 0 0 0 2015 16800 500 - - 16018 1127 539 - - - - Leydet et al. (2018) boulder Leyd2018-19 Leyd2018-C KM-9-15 48.522 -89.662 479 2 2.65 1.000 75022 3210 07KNSTD 0 0 0 2015 12800 500 - - 12147 914 521 - - - - Leydet et al. (2018) boulder Leyd2018-20 Leyd2018-D LN-8-15 48.704 -88.627 280 1 2.65 1.000 65104 4244 07KNSTD 0 0 0 2015 13200 900 - - 12596 1133 824 - - - - Leydet et al. (2018) boulder Leyd2018-21 Leyd2018-D LN-10-15 48.704 -88.627 282 2.5 2.65 1.000 53995 2227 07KNSTD 0 0 0 2015 11100 500 - - 10504 781 434 - - - - Leydet et al. (2018) boulder Leyd2018-22 Leyd2018-D LN-11-15 48.704 -88.628 271 3 2.65 1.000 51464 2915 07KNSTD 0 0 0 2015 10700 600 - - 10167 853 577 - - - - Leydet et al. (2018) boulder Leyd2018-23 Leyd2018-D LN-12-15 48.704 -88.628 271 4 2.65 1.000 56275 2432 07KNSTD 0 0 0 2015 11800 500 - - 11190 844 485 - - - - Reference: Leydet DJ, Carlson AE, Teller JT, Breckenridge A, Barth AM, Ullman DJ, Sinclair G, Milne GA, Cuzzone JK, Caffee MW, 2018. Opening of glacial Lake Agassiz's eastern outlets by the start of the Younger Dryas cold period. Geology 46, 155-158. Data comments: Sampling year based on sample names. Group ID based on publication (Table DR1). expage.github.io - data from expage-202306