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 Davis et al. (2015) bedrock Davi2015-1 Davi2015-A PTK-01 45.91028 -68.92191 1287 4 2.7 0.965 202000 6440 LLNL3000 1188000 75400 KNSTD 1997 14700 900 14800 1200 15213 1059 487 15125 1537 967 - Davis et al. (2015) bedrock Davi2015-2 Bier2015-D PTK-02 45.90292 -68.91852 1598 3 2.7 0.999 222000 9920 LLNL3000 1417000 55500 KNSTD 1997 12600 800 13700 900 12388 945 555 13455 1187 531 - Davis et al. (2015) bedrock Davi2015-3 Davi2015-B PTK-04 45.90227 -68.91327 1503 1 2.7 0.997 223000 7830 LLNL3000 1423000 56300 KNSTD 1997 13500 800 14700 900 13285 945 468 14366 1271 572 - Davis et al. (2015) boulder Davi2015-4 Davi2015-C PTK-05 45.92154 -68.88766 713 3 2.7 0.995 143000 5540 LLNL3000 875000 52300 KNSTD 1997 16500 1000 15900 1300 16992 1241 661 17444 1735 1052 - Davis et al. (2015) boulder Davi2015-5 Davi2015-D PTK-08 45.92911 -68.90772 930 3.5 2.7 0.974 149000 5760 LLNL1000 986000 48300 KNSTD 1997 15500 1000 16300 1100 16168 1180 628 16696 1556 825 - Davis et al. (2015) boulder Davi2015-6 Davi2015-D PTK-09 45.93019 -68.90895 936 3.5 2.7 0.957 179000 6360 LLNL1000 1205000 54100 KNSTD 1997 18600 1100 19800 1300 19502 1393 696 20481 1869 929 - Davis et al. (2015) boulder Davi2015-7 Davi2015-D PTK-10 45.92781 -68.90494 930 4 2.7 0.988 140000 6110 LLNL1000 928000 49500 KNSTD 1997 14600 1000 15400 1100 15083 1143 661 15593 1490 838 - Davis et al. (2015) boulder Davi2015-8 Davi2015-E PTK-11 45.92381 -68.89444 748 5 2.7 0.994 126000 5370 LLNL1000 914000 54600 KNSTD 1997 15400 1000 17800 1400 15954 1200 683 17968 1787 1083 - Davis et al. (2015) boulder Davi2015-9 Davi2015-E PTK-12 45.92381 -68.89414 749 1 2.7 0.994 133000 5720 LLNL1000 922000 42300 KNSTD 1997 16000 1000 17500 1200 16247 1225 702 17513 1605 810 - Davis et al. (2015) boulder Davi2015-10 Davi2015-E PTK-13 45.91180 -68.87747 744 4 2.7 0.996 156000 5580 LLNL3000 873000 36300 KNSTD 1997 17800 1100 16900 1100 18118 1296 651 17081 1529 716 - Davis et al. (2015) boulder Davi2015-11 Davi2015-E PTK-14 45.91201 -68.87839 750 3 2.7 0.996 228000 6310 LLNL3000 1489000 59800 KNSTD 1997 25600 1400 28600 1800 25659 1743 715 28160 2516 1147 - Davis et al. (2015) boulder Davi2015-12 Davi2015-E PTK-15 45.91180 -68.87870 750 4 2.7 0.995 129000 6520 LLNL3000 722000 32400 KNSTD 1997 14600 1000 13800 900 15032 1202 763 14173 1289 640 - Davis et al. (2015) boulder Davi2015-13 Davi2015-F PTK-16 45.75000 -68.87500 150 1 2.7 1 79000 5300 LLNL3000 440000 23400 KNSTD 1997 15100 1200 14100 1000 15556 1422 1048 14515 1385 777 - Davis et al. (2015) boulder Davi2015-14 Davi2015-G PTK-17 44.67335 -67.82246 60 0.5 2.7 1 79000 5470 LLNL3000 563000 49400 KNSTD 1997 16400 1400 19800 2000 17137 1595 1192 20235 2405 1793 - Reference: Davis PT, Bierman PR, Corbett LB, Finkel RC, 2015. Cosmogenic exposure age evidence for rapid Laurentide deglaciation of the Katahdin area, west-central Maine, USA, 16 to 15 ka. Quaternary Science Reviews 116, 95-105. Data comments: Topographic shielding factors calculated from SRTM 30 m dem based on Codilean (2006) and Li (2013). Sampling year assumed to be 1997 ("Samples were prepared at University of Vermont between 1997 and 2000"). Sample PTK-17 is a separate sample from the same boulder as sample PR-14-1 in Koester et al. (2017). Group ID based on publication (Table 1). expage.github.io - data from expage-202306