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 Koester et al. (2017) boulder Koes2017-1 Koes2017-A MDI-03 44.33703 -68.24551 374 2 2.7 0.99 81200 1600 07KNSTD 0 0 0 2015 14900 800 - - 15683 1018 310 - - - - Koester et al. (2017) bedrock Koes2017-2 Koes2017-A MDI-04 44.33703 -68.24552 374 2 2.7 0.99 80300 2600 07KNSTD 0 0 0 2015 14700 900 - - 15517 1084 504 - - - - Koester et al. (2017) boulder Koes2017-3 Koes2017-A MDI-05 44.33477 -68.24505 374 1 2.7 1 85900 1800 07KNSTD 0 0 0 2015 15500 800 - - 16268 1062 342 - - - - Koester et al. (2017) bedrock Koes2017-4 Koes2017-A MDI-06 44.33477 -68.24505 374 5 2.7 0.99 77600 1900 07KNSTD 0 0 0 2015 14600 800 - - 15394 1024 378 - - - - Koester et al. (2017) boulder Koes2017-5 Koes2017-A MDI-07 44.33211 -68.24359 351 1.5 2.7 0.98 83900 1600 07KNSTD 0 0 0 2015 15800 800 - - 16616 1076 318 - - - - Koester et al. (2017) bedrock Koes2017-6 Koes2017-A MDI-08 44.33211 -68.24359 351 1.5 2.7 0.99 78600 1500 07KNSTD 0 0 0 2015 14700 800 - - 15453 1000 296 - - - - Koester et al. (2017) boulder Koes2017-7 Koes2017-B MDI-09 44.32898 -68.24300 285 1.5 2.7 0.99 78200 1500 07KNSTD 0 0 0 2015 15500 800 - - 16320 1057 314 - - - - Koester et al. (2017) bedrock Koes2017-8 Koes2017-B MDI-10 44.32898 -68.24300 285 4 2.7 0.99 74300 1500 07KNSTD 0 0 0 2015 15000 800 - - 15858 1032 321 - - - - Koester et al. (2017) boulder Koes2017-9 Koes2017-C MDI-11 44.32645 -68.24426 245 1.5 2.7 0.97 72700 1400 07KNSTD 0 0 0 2015 15200 800 - - 16088 1042 311 - - - - Koester et al. (2017) bedrock Koes2017-10 Koes2017-C MDI-12 44.32645 -68.24426 245 3 2.7 0.98 72100 2400 07KNSTD 0 0 0 2015 15100 900 - - 16000 1124 535 - - - - Koester et al. (2017) boulder Koes2017-11 Koes2017-D MDI-13 44.32366 -68.24363 178 3 2.7 0.95 68400 1400 07KNSTD 0 0 0 2015 15700 800 - - 16651 1085 342 - - - - Koester et al. (2017) bedrock Koes2017-12 Koes2017-D MDI-14 44.32372 -68.24401 170 1.5 2.7 0.98 65100 1600 07KNSTD 0 0 0 2015 14500 800 - - 15328 1020 378 - - - - Koester et al. (2017) boulder Koes2017-13 Koes2017-E MDI-15 44.32426 -68.25177 86 1.5 2.7 0.98 57600 1100 07KNSTD 0 0 0 2015 13900 700 - - 14733 953 282 - - - - Koester et al. (2017) boulder Koes2017-14 Koes2017-E MDI-16 44.32426 -68.25177 86 2 2.7 0.99 50800 1100 07KNSTD 0 0 0 2015 12100 600 - - 12919 846 281 - - - - Koester et al. (2017) boulder Koes2017-15 Koes2017-E MDI-17 44.32389 -68.25298 81 4 2.7 0.99 58600 1300 07KNSTD 0 0 0 2015 14300 800 - - 15195 998 338 - - - - Koester et al. (2017) boulder Koes2017-16 Koes2017-E MDI-18 44.32390 -68.25244 87 1 2.7 0.98 54200 1200 07KNSTD 0 0 0 2015 13000 700 - - 13813 907 307 - - - - Koester et al. (2017) boulder Koes2017-17 Koes2017-E MDI-19 44.32391 -68.25242 86 1.5 2.7 0.99 37400 1000 07KNSTD 0 0 0 2015 8900 500 - - 9521 641 255 - - - - Koester et al. (2017) boulder Koes2017-18 Koes2017-E MDI-20 44.32388 -68.25264 85 1.5 2.7 0.99 55900 1400 07KNSTD 0 0 0 2015 13300 700 - - 14189 947 357 - - - - Koester et al. (2017) boulder Koes2017-19 Koes2017-F MDI-21 44.35244 -68.22646 460 2 2.7 0.99 88300 1900 07KNSTD 0 0 0 2015 15000 800 - - 15746 1031 340 - - - - Koester et al. (2017) bedrock Koes2017-20 Koes2017-F MDI-22 44.35244 -68.22646 460 2 2.7 0.99 95000 2700 07KNSTD 0 0 0 2015 16200 900 - - 16899 1151 482 - - - - Koester et al. (2017) boulder Koes2017-21 Koes2017-G MDI-23 44.34106 -68.27230 404 2.5 2.7 0.99 63100 1300 07KNSTD 0 0 0 2015 11300 600 - - 11914 776 246 - - - - Koester et al. (2017) bedrock Koes2017-22 Koes2017-G MDI-24 44.34106 -68.27230 404 2.5 2.7 0.99 85100 2200 07KNSTD 0 0 0 2015 15300 800 - - 16046 1076 416 - - - - Koester et al. (2017) boulder Koes2017-23 Koes2017-H MDI-25 44.32363 -68.26296 217 2 2.7 0.99 58600 1200 07KNSTD 0 0 0 2015 12400 600 - - 13169 857 271 - - - - Koester et al. (2017) bedrock Koes2017-24 Koes2017-H MDI-26 44.32236 -68.26296 217 5 2.7 0.99 70400 1400 07KNSTD 0 0 0 2015 15300 800 - - 16151 1049 322 - - - - Koester et al. (2017) boulder Koes2017-25 Davi2015-G PR-14-1 44.67295 -67.82355 74 1.5 2.7 1 64300 1900 07KNSTD 0 0 0 2015 15300 900 - - 16101 1104 478 - - - - Koester et al. (2017) boulder Koes2017-26 Davi2015-G PR-14-2 44.67295 -67.82355 74 4 2.7 1 59000 1200 07KNSTD 0 0 0 2015 14300 700 - - 15133 985 309 - - - - Koester et al. (2017) boulder Koes2017-27 Davi2015-G PR-14-3 44.67305 -67.82213 72 1 2.7 1 59400 1200 07KNSTD 0 0 0 2015 14100 700 - - 14894 969 302 - - - - Koester et al. (2017) boulder Koes2017-28 Davi2015-G PR-14-4 44.67253 -67.81900 62 1 2.7 1 62100 1200 07KNSTD 0 0 0 2015 14900 800 - - 15671 1015 304 - - - - Koester et al. (2017) boulder Koes2017-29 Davi2015-G PR-14-5 44.67253 -67.81900 62 1 2.7 1 60800 1800 07KNSTD 0 0 0 2015 14600 800 - - 15356 1053 456 - - - - Koester et al. (2017) boulder Koes2017-30 Davi2015-G PR-14-6 44.67255 -67.82676 77 2.5 2.7 1 59700 1600 07KNSTD 0 0 0 2015 14300 800 - - 15076 1016 406 - - - - Koester et al. (2017) boulder Koes2017-31 Davi2015-G PR-14-7 44.67293 -67.82713 77 1.5 2.7 1 58500 1700 07KNSTD 0 0 0 2015 13900 800 - - 14676 1003 428 - - - - Reference: Koester AJ, Shakun JD, Bierman PR, Davis PT, Corbett LB, Braun D, Zimmerman SR, 2017. Rapid thinning of the Laurentide ice sheet in coastal Maine, USA, during late Heinrich Stadial 1. Quaternary Science Reviews 163, 180-192. Data comments: Sampling year assumed to be 2015. Sample PR-14-1 is a separate sample from the same boulder as sample PTK-17 in Davis et al. (2015). Group ID based on sample location and geomorphology. PR samples grouped with PTK-17 in Davis et al. (2015). expage.github.io - data from expage-202306