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 Kaplan et al. (2001) bedrock Kapl2001-1 Kapl2001-A CM44 65.55 -65.52 162 3 2.65 1 87000 15000 KNSTD 521000 44000 KNSTD 1999 14400 2500 14200 1200 15206 2794 2632 14452 1677 1229 Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-2 Kapl2001-B CM46 65.70 -65.82 168 3 2.65 1 122000 8000 KNSTD 537000 84000 KNSTD 1999 20000 1400 14500 2300 21238 1921 1400 14816 2611 2335 Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-2 Kapl2001-B CM46 65.70 -65.82 168 3 2.65 1 105000 8000 KNSTD 676000 46000 KNSTD 1999 17300 1300 18300 1200 18264 1797 1398 18688 1958 1283 Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-3 Kapl2001-C CM58 65.53 -65.58 118 3 2.65 1 98000 7000 KNSTD 790000 114000 KNSTD 1999 17000 1200 22600 3300 17918 1697 1286 22997 3820 3356 Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-4 Kapl2001-D CM61 65.83 -65.80 135 3 2.65 1 78000 6000 KNSTD 538000 49000 KNSTD 1999 13200 1100 15100 1400 14011 1385 1082 15346 1858 1408 Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-5 Kapl2001-E CM62 65.37 -65.07 143 3 2.65 1 82000 6000 KNSTD 367000 82000 KNSTD 1999 13700 1100 10200 2300 14598 1401 1072 10321 2456 2318 Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-6 Kapl2001-F CM1 65.08 -63.98 210 3 2.65 1 117000 9000 KNSTD 0 0 0 1999 18400 1500 - - 19457 1927 1504 - - - Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-7 Kapl2001-G CM3 65.10 -63.97 190 3 2.65 1 129000 17000 KNSTD 793000 80000 KNSTD 1999 20700 2800 21000 2100 21901 3203 2902 21411 2765 2183 Kaplan and Miller (2003) Kaplan et al. (2001) boulder Kapl2001-8 Kapl2001-H CM7C 65.12 -64.23 311 3 2.65 1 94000 8000 KNSTD 541000 69000 KNSTD 1999 13500 1300 12700 1600 14126 1489 1206 12915 1946 1658 Kaplan and Miller (2003) Kaplan et al. (2001) boulder Kapl2001-9 Kapl2001-H CM9 65.12 -64.23 283 3 2.65 1 129000 14000 KNSTD 0 0 0 1999 19000 2300 - - 19961 2503 2177 - - - Kaplan and Miller (2003) Kaplan et al. (2001) boulder Kapl2001-10 Kapl2001-H CM10C 65.12 -64.23 252 3 2.65 1 73000 6000 KNSTD 0 0 0 1999 11000 1000 - - 11621 1197 958 - - - Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-11 Kapl2001-I CM17 65.03 -63.83 180 3 2.65 1 80000 8000 KNSTD 470000 52000 KNSTD 1999 12900 1400 12500 1400 13683 1612 1373 12755 1741 1420 Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-12 Kapl2001-J CM24 65.13 -64.10 187 3 2.65 1 265000 17000 KNSTD 0 0 0 1999 42800 2900 - - 45406 4084 2946 - - - Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-13 Kapl2001-K CM39 65.05 -63.95 173 3 2.65 1 110000 17000 KNSTD 303000 46000 KNSTD 1999 18000 2900 8100 1200 18979 3172 2947 8218 1410 1253 Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-14 Kapl2001-L CM42 65.05 -63.68 153 3 2.65 1 135000 14000 KNSTD 797000 79000 KNSTD 1999 22600 2300 22000 2200 23783 2886 2481 22322 2852 2237 Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-15 Kapl2001-M CM66 65.00 -63.82 281 3 2.65 1 353000 21000 KNSTD 0 0 0 1999 52400 3500 - - 55174 4790 3328 - - - Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-16 Kapl2001-N CM72 64.95 -63.67 94 3 2.65 1 84000 6000 KNSTD 456000 63000 KNSTD 1999 14900 1000 13300 1800 15670 1484 1124 13483 2156 1875 Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-17 Kapl2001-O CM80 65.03 -63.57 249 3 2.65 1 89000 12000 KNSTD 595000 99000 KNSTD 1999 13400 2100 14800 2500 14206 2113 1922 15097 2798 2531 Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-18 Kapl2001-P CM84 65.17 -64.72 175 3 2.65 1 80000 7000 KNSTD 461000 72000 KNSTD 1999 13100 1200 12400 1900 13776 1479 1210 12593 2214 1979 Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-19 Kapl2001-Q CM13 65.05 -64.12 414 3 2.65 1 490000 29000 KNSTD 2532000 165000 KNSTD 1999 64100 4800 55000 3600 67431 5857 4059 55847 5853 3741 Kaplan and Miller (2003) Kaplan et al. (2001) boulder Kapl2001-20 Kapl2001-Q CM14 65.05 -64.10 385 3 2.65 1 500000 39000 KNSTD 0 0 0 1999 67300 6400 - - 70847 7167 5625 - - - Kaplan and Miller (2003) Kaplan et al. (2001) boulder Kapl2001-21 Kapl2001-Q CM15 65.05 -64.10 399 3 2.65 1 236000 21000 KNSTD 0 0 0 1999 31100 3400 - - 32670 3564 2931 - - - Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-22 Kapl2001-R CM40 65.05 -63.97 326 3 2.65 1 316000 23000 KNSTD 1774000 74000 KNSTD 1999 44900 3800 41700 2700 47161 4550 3473 42331 3839 1803 Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-23 Kapl2001-S CM67 65.00 -63.80 306 3 2.65 1 585000 35000 KNSTD 0 0 0 1999 85200 5800 - - 89974 7901 5506 - - - Kaplan and Miller (2003) Kaplan et al. (2001) bedrock Kapl2001-24 Kapl2001-T CM75 65.02 -63.67 327 3 2.65 1 476000 28000 KNSTD 0 0 0 1999 67600 4700 - - 71362 6187 4274 - - - Kaplan and Miller (2003) Kaplan et al. (2001) boulder Kapl2001-25 Kapl2001-U CM79 64.90 -63.58 539 3 2.65 1 122000 11000 KNSTD 0 0 0 1999 14000 1800 - - 14660 1606 1327 - - - Kaplan and Miller (2003) Reference: Kaplan MR, Miller GH, Steig EJ, 2001. Low-gradient outlet glaciers (ice streams?) drained the Laurentide ice sheet. Geology 29, 343-346. Data comments: Sample latitude and longitude corrected for samples CM80 and CM79, respectively (cf. Kaplan and Miller 2003: Figure 5). Sample thickness assumed to be 3 cm. Sample density assumed to be 2.65 g/cm3. 26Al concentration uncertainty for sample CM40 (appears to be too low) derived from Kaplan and Miller (2003). 10Be standard assumed to be KNSTD. 26Al standard assumed to be KNSTD. Sampling year assumed to be 1999. Group ID based on sample location and geomorphology. expage.github.io - data from expage-202306