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
Spector et al. (2019)	cobble	Spec2019-1	Spec2019-A	13-NTK-013-PRT	-81.14639	-85.35305	1484.6	5.5	2.58	0.90834	339230	19076	07KNSTD	0	0	0	2013	17951	1470	-	-	18736	1570	1059	-	-	-	-
Spector et al. (2019)	cobble	Spec2019-2	Spec2019-A	13-NTK-019-PRT	-81.14634	-85.35156	1470.2	4.2	2.6	0.96960	289945	16057	07KNSTD	0	0	0	2013	14388	1168	-	-	15013	1248	835	-	-	-	-
Spector et al. (2019)	cobble	Spec2019-3	Spec2019-B	13-NTK-011-PRT	-81.14581	-85.34841	1420	3.5	2.56	0.97216	364509	21303	07KNSTD	0	0	0	2013	18740	1564	-	-	19574	1670	1150	-	-	-	-
Spector et al. (2019)	cobble	Spec2019-4	Spec2019-C	13-NTK-009-PRT	-81.14519	-85.34473	1382.8	3.2	2.58	0.85760	1334610	78502	07KNSTD	0	0	0	2013	81545	6934	-	-	85217	7413	5121	-	-	-	-
Spector et al. (2019)	cobble	Spec2019-5	Spec2019-D	13-NTK-026-PRT	-81.14471	-85.34032	1338.6	3.5	2.59	0.98317	4659960	248245	07KNSTD	0	0	0	2013	271199	23087	-	-	284210	24865	16268	-	-	-	-
Spector et al. (2019)	cobble	Spec2019-6	Spec2019-E	13-NTK-025-PRT	-81.14401	-85.32614	1254.5	3.5	2.58	0.97519	199842	11254	07KNSTD	0	0	0	2013	11749	961	-	-	12357	1034	698	-	-	-	-
Spector et al. (2019)	cobble	Spec2019-7	Spec2019-F	13-NTK-029-PRT-ERR	-81.14759	-85.30435	1220	4.5	2.58	1	1115180	69884	07KNSTD	0	0	0	2013	67679	5925	-	-	71089	6358	4535	-	-	-	-
Spector et al. (2019)	cobble	Spec2019-8	Spec2019-G	13-NTK-022-PRT	-81.13219	-85.36275	1347.6	4	2.61	0.99398	128118	7267	07KNSTD	0	0	0	2013	6859	562	-	-	7179	602	408	-	-	-	-
Spector et al. (2019)	cobble	Spec2019-9	Spec2019-H	13-NTK-020-PRT	-81.13316	-85.35558	1237.6	5.5	2.58	0.94789	67876	3941	07KNSTD	0	0	0	2013	4225	350	-	-	4455	377	259	-	-	-	-
Spector et al. (2019)	cobble	Spec2019-10	Spec2019-I	16-PRT-002-TCR	-81.10366	-85.50914	1321	3.5	2.61	0.96098	1631300	37149	07KNSTD	0	0	0	2016	94358	6110	-	-	98802	6649	2306	-	-	-	-
Spector et al. (2019)	boulder	Spec2019-11	Spec2019-J	16-PRT-004-TCR	-81.10403	-85.51455	1358	3	2.6	0.99335	6025420	73327	07KNSTD	0	0	0	2016	346396	22783	-	-	363037	24985	4844	-	-	-	-
Spector et al. (2019)	boulder	Spec2019-12	Spec2019-K	16-PRT-007-TCR	-81.10448	-85.52022	1405	3	2.61	0.98666	267529	5285	07KNSTD	0	0	0	2016	13641	852	-	-	14267	926	283	-	-	-	-
Spector et al. (2019)	boulder	Spec2019-13	Spec2019-K	16-PRT-008-TCR	-81.10448	-85.52023	1406	4.5	2.59	0.98666	15802200	111624	07KNSTD	0	0	0	2016	1048456	81889	-	-	1108250	91768	10459	-	-	-	-
Spector et al. (2019)	boulder	Spec2019-14	Spec2019-K	16-PRT-010-TCR	-81.10459	-85.52133	1418	3.5	2.61	0.97021	4528670	53636	07KNSTD	0	0	0	2016	248342	15911	-	-	259532	17376	3282	-	-	-	-
Spector et al. (2019)	boulder	Spec2019-15	Spec2019-L	16-PRT-042-TCT	-81.10921	-85.53682	1484	3.5	2.61	0.95297	2443530	63356	07KNSTD	0	0	0	2017	125173	8325	-	-	130375	9001	3493	-	-	-	-
Spector et al. (2019)	boulder	Spec2019-16	Spec2019-M	16-PRT-045-TCT	-81.10948	-85.52756	1373	2.5	2.61	0.93987	1788820	20494	07KNSTD	0	0	0	2017	100548	6198	-	-	105075	6757	1236	-	-	-	-
Spector et al. (2019)	boulder	Spec2019-17	Spec2019-N	16-PRT-046-TCT	-81.11021	-85.51972	1323	3	2.6	0.97429	3137060	45346	07KNSTD	0	0	0	2017	181914	11568	-	-	190557	12645	2890	-	-	-	-
Spector et al. (2019)	boulder	Spec2019-18	Spec2019-O	16-PRT-048-TCR	-81.10477	-85.52679	1451	5.5	2.62	0.98451	5596110	66841	07KNSTD	0	0	0	2017	303004	19693	-	-	316716	21524	4099	-	-	-	-
Spector et al. (2019)	bedrock	Spec2019-19	Spec2019-P	13-NTK-044-WHT	-82.43625	-103.98550	2765.3	3.5	2.6	0.99541	106509000	1185400	07KNSTD	355202000	8811800	KNSTD	2013	-	-	-	-	5325002	1666906	296480	2734425	1146399	345780	Spector et al. (2020)
Spector et al. (2019)	bedrock	Spec2019-20	Spec2019-P	13-NTK-045-WHT	-82.43575	-103.99025	2729.3	2.75	2.6	0.99061	109165000	1229900	07KNSTD	360249000	6397500	KNSTD	2013	-	-	-	-	5837096	2190426	394231	3256116	1926343	425469	Spector et al. (2020)
Spector et al. (2019)	bedrock	Spec2019-20	Spec2019-P	13-NTK-045-WHT	-82.43575	-103.99025	2729.3	2.75	2.6	0.99061	111359000	512500	07KNSTD	0	0	0	2013	-	-	-	-	6049830	2416889	180136	-	-	-	Spector et al. (2020)
Spector et al. (2019)	bedrock	Spec2019-21	Spec2019-Q	13-NTK-043-WHT	-82.43592	-104.00737	2626.5	3.5	2.51	0.98973	101063000	3078700	07KNSTD	342124000	7060900	KNSTD	2013	-	-	-	-	5890248	2472326	1096291	3667374	2951728	751271	Spector et al. (2020)
Spector et al. (2019)	bedrock	Spec2019-22	Spec2019-R	13-NTK-042-WHT	-82.43509	-104.02635	2530.4	3.25	2.61	0.99485	98277000	2837900	07KNSTD	327681000	3677200	KNSTD	2013	-	-	-	-	6300949	3036164	1289113	3978320	3943359	558621	Spector et al. (2020)
Spector et al. (2019)	bedrock	Spec2019-23	Spec2019-S	13-NTK-041-WHT	-82.43468	-104.04171	2470.7	2	2.64	0.99631	66731100	3173600	07KNSTD	265751000	7220000	KNSTD	2013	-	-	-	-	2947252	523381	319921	1831574	426543	139636	Spector et al. (2020)
Spector et al. (2019)	bedrock	Spec2019-24	Spec2019-S	13-NTK-040-WHT	-82.43403	-104.04231	2446.4	1.8	2.57	0.99583	83908800	3918900	07KNSTD	304754000	4069400	KNSTD	2013	-	-	-	-	5171424	1895258	1145331	3646130	2834096	475747	Spector et al. (2020)
Spector et al. (2019)	bedrock	Spec2019-25	Spec2019-S	13-NTK-039-WHT	-82.43374	-104.04610	2422	2	2.62	0.99041	62237600	1818300	07KNSTD	264160000	3051900	KNSTD	2013	-	-	-	-	2737572	399301	171163	2082331	543809	79264	Spector et al. (2020)
Spector et al. (2019)	bedrock	Spec2019-25	Spec2019-S	13-NTK-039-WHT	-82.43374	-104.04610	2422	2	2.62	0.99041	70097700	2048000	07KNSTD	0	0	0	2013	-	-	-	-	3742281	748669	320931	-	-	-	Spector et al. (2020)
Spector et al. (2019)	bedrock	Spec2019-26	Spec2019-T	13-NTK-038-WHT	-82.43221	-104.05598	2367.6	4	2.68	0.99562	41006200	1933100	07KNSTD	198064000	2684000	KNSTD	2013	-	-	-	-	1354731	150214	91313	1174701	175931	29958	Spector et al. (2020)
Spector et al. (2019)	bedrock	Spec2019-27	Spec2019-U	13-NTK-037-WHT	-82.43041	-104.06953	2265.4	3	2.55	0.99612	80328400	3724400	07KNSTD	258542000	5687500	KNSTD	2013	-	-	-	-	6273800	3392573	2040678	3404204	2270043	613143	Spector et al. (2020)
Spector et al. (2019)	bedrock	Spec2019-28	Spec2019-U	13-NTK-036-WHT	-82.43013	-104.07221	2245.7	2.7	2.6	0.99413	69508300	2025700	07KNSTD	245894000	3981900	KNSTD	2013	-	-	-	-	4936731	1470651	629134	2926000	1364217	275896	Spector et al. (2020)

Reference:
Spector P, Stone J, Goehring B, 2019. Thickness of the divide and flank of the West Antarctic ice sheet through the last deglaciation. The Cryosphere 13, 3061-3075.

Data comments:
Sample data compiled and combined from supplementary material and ICE-D database.
Group ID based on sample location and geomorphology. Several samples grouped with Spector et al. (2020) samples.

expage.github.io - data from expage-202306