Summary data table -- Be-10 and Al-26 measurements in quartz samples
					[Be-10]		[Al-26]		[Al-26]/[Be-10]
Sample name		Borehole/site name1	Depth (ft)		(103 atoms/g)		(103 atoms/g)		ratio
Samples from boreholes and excavations
02-TILL-001-KRA		KRA	-4		67.65 ± 3.37		187.11 ± 39.81		2.77 ± 0.6
02-TILL-004-KRA		KRA	-0.3		63.06 ± 3.05		149.61 ± 10.13		2.37 ± 0.2
02-TILL-003-KRA		KRA	-0.15		44.13 ± 2.42		155.5 ± 18.47		3.52 ± 0.46
02-TILL-002-KRA		KRA	-0.025		50.49 ± 2.38		184.25 ± 13.17		3.65 ± 0.31
02-TILL-000-KRA		KRA	1.5		91.19 ± 3.79		300.19 ± 16.76		3.29 ± 0.23
SDBR-305M		SD-BR	305		146.37 ± 4.19		398.69 ± 23.32		2.72 ± 0.18
SD-CO-4		SD-CO	4		143.56 ± 4.03		719.89 ± 28.9		5.01 ± 0.25
SD-CO-43		SD-CO	43		68.85 ± 2.66		316.36 ± 16.16		4.59 ± 0.29
SD-CO-245		SD-CO	245		69.1 ± 4.37		233.72 ± 14.17		3.38 ± 0.3
SD-CO-344		SD-CO	344		72.78 ± 4.38		277.9 ± 19.56		3.82 ± 0.35
SD-CO-351		SD-CO	351		54.79 ± 2.75		221.38 ± 14.43		4.04 ± 0.33
SD-CO-354		SD-CO	354		67.11 ± 2.69		205.16 ± 16.01		3.06 ± 0.27
SD-CO-370		SD-CO	370		70.3 ± 2.65		201.16 ± 15.1		2.86 ± 0.24
SD-CO-402		SD-CO	402		138.93 ± 3.98		353.58 ± 27.87		2.55 ± 0.21
SD-CO-406		SD-CO	406		124.85 ± 5.25		381.62 ± 23.34		3.06 ± 0.23
H-TILL		SD-HA	72		77.43 ± 1.94		286.7 ± 16.72		3.7 ± 0.23
SD-HL		SD-HA	65		130.51 ± 20.83		712.38 ± 85.02		5.46 ± 1.09
SD-HE-40		SD-HE	40		160.64 ± 5.02		363.05 ± 23.81		2.26 ± 0.16
SD-HE-56		SD-HE	56		207.83 ± 6.16		419.65 ± 19.54		2.02 ± 0.11
SD-HE-70		SD-HE	70		189.17 ± 5.6		384.47 ± 17.51		2.03 ± 0.11
SDTR-80		SD-TR2	80		87.39 ± 2.07		78.58 ± 8.07		0.9 ± 0.09
SD-TR2-120		SD-TR2	120		62.63 ± 3.47		86.49 ± 14.27		1.38 ± 0.24
SWRA-3-196		SWRA-3	196		67.44 ± 1.92		184.38 ± 15.4		2.73 ± 0.24
SWRA-3-205		SWRA-3	205		64.48 ± 1.91		189.63 ± 12.54		2.94 ± 0.21
SWRA-3-241		SWRA-3	241		65.01 ± 1.87		145.48 ± 10.48		2.24 ± 0.17
UMRB-1-62		UMRB-1	62		73.03 ± 2.32		273.78 ± 17.19		3.75 ± 0.26
UMRB-1-75		UMRB-1	75		96.88 ± 2.23		393.41 ± 30.71		4.06 ± 0.33
UMRB-1-97		UMRB-1	97		103.54 ± 2.87		393.98 ± 24		3.81 ± 0.25
UMRB-1-100C		UMRB-1	100		75.5 ± 2.45		254.61 ± 16.88		3.37 ± 0.25
UMRB-1-100M		UMRB-1	100		81.59 ± 2.32		252.76 ± 14.76		3.1 ± 0.2
UMRB-1-159		UMRB-1	159		101.95 ± 2.83		318.5 ± 16.64		3.12 ± 0.18
UMRB-1-192		UMRB-1	192		116.03 ± 5.51		382.9 ± 17.51		3.3 ± 0.22
UMRB-1-216		UMRB-1	216		105.63 ± 3.09		338.78 ± 21.06		3.21 ± 0.22
UMRB-2-149		UMRB-2	149		52.95 ± 1.57		175.78 ± 22.85		3.32 ± 0.44
UMRB-2-168		UMRB-2	168		63.09 ± 1.78		258.18 ± 16.73		4.09 ± 0.29
UMRB-2-185		UMRB-2	185		61.53 ± 2.4		240.21 ± 17.13		3.9 ± 0.32
UMRB-2-201F		UMRB-2	201		40.72 ± 1.53		205.6 ± 18.07		5.05 ± 0.48
UMRB-2-207		UMRB-2	207		48.11 ± 1.78		185.15 ± 57.36		3.85 ± 1.2
UMRB-2-209		UMRB-2	209		43.83 ± 2.28		170.22 ± 13.87		3.88 ± 0.38
UMRB-3-11		UMRB-3	11		54.72 ± 1.76		227.05 ± 15.53		4.15 ± 0.31
UMRB-3-16		UMRB-3	16		52.33 ± 1.77		233.2 ± 13.97		4.46 ± 0.31
UMRB-3-49		UMRB-3	49		55.38 ± 1.77		224.71 ± 15.4		4.06 ± 0.31
UMRB-3-52		UMRB-3	52		56.44 ± 1.71		256.69 ± 16.42		4.55 ± 0.32
UMRB-3-127		UMRB-3	127		62.51 ± 1.64		225.32 ± 13.06		3.6 ± 0.23
UMRB-3-138		UMRB-3	138		63.99 ± 1.86		209.06 ± 15.2		3.27 ± 0.26
UMRB-3-150C		UMRB-3	150		35.92 ± 1.42		147.27 ± 10		4.1 ± 0.32
UMRB-3-165		UMRB-3	165		37.95 ± 1.26		128.06 ± 11.92		3.37 ± 0.33
UMRB-3-168C		UMRB-3	168		26.39 ± 1.35		89.24 ± 9.52		3.38 ± 0.4
4-A-75-107		4-A-75	107		180.16 ± 5.37		656.47 ± 23.28		3.64 ± 0.17
5-A-75-167A		5-A-75	166.75		80.48 ± 3.13		236.04 ± 20.27		2.93 ± 0.28
5-A-75-167B		5-A-75	167.25		76.8 ± 2.68		228.65 ± 13.2		2.98 ± 0.2
1-A-76-204		1-A-76	204		252.66 ± 6.71		585.72 ± 33.5		2.32 ± 0.15
17-A-76-130		17-A-76	130		62.77 ± 2.38		221.86 ± 15.14		3.53 ± 0.28
17-A-76-146		17-A-76	146		141.64 ± 4.95		393.13 ± 27.42		2.78 ± 0.22
17-A-76-146F		17-A-76	146		155.49 ± 5.39		414.92 ± 28.95		2.67 ± 0.21
3-B-99-87		3-B-99	87.5		318.83 ± 10.77		1338.47 ± 42.95		4.2 ± 0.2
3-B-99-88		3-B-99	88.5		268.34 ± 9.3		1126.93 ± 33.3		4.2 ± 0.19
3-B-99-89		3-B-99	89.5		197.48 ± 5.84		855.53 ± 37.73		4.33 ± 0.23
3-B-99-90		3-B-99	90.75		161.45 ± 4.93		676.22 ± 35.26		4.19 ± 0.25
3-B-99-91		3-B-99	91.5		157.51 ± 4.75		579.5 ± 21.25		3.68 ± 0.17
3-B-99-93MC		3-B-99	93.5		121.71 ± 3.84		510.29 ± 27.08		4.19 ± 0.26
3-B-99-93F		3-B-99	93.5		116.08 ± 4.07		462.89 ± 27.05		3.99 ± 0.27
Surface samples
MNR-01		MNR-01	1		51.53 ± 1.68		232.68 ± 20		4.52 ± 0.41
MNR-02		MNR-02	2		61.12 ± 1.78		251.04 ± 19.52		4.11 ± 0.34
RWT-01		RWT-01	3		70.1 ± 2.05		312.5 ± 16.21		4.46 ± 0.27
YMR-01		YMR-01	4		67.82 ± 2.49		290.13 ± 18.02		4.28 ± 0.31
02-TILL-005-PLA		02-TILL-005-PLA	5		240.19 ± 8.36		976.04 ± 55.79		4.06 ± 0.27
02-TILL-006-GRA		02-TILL-006-GRA	1		126.04 ± 3.61		701.21 ± 23.16		5.56 ± 0.24
02-TILL-007-PIT		02-TILL-007-PIT	2		178.5 ± 5.26		868.91 ± 23.21		4.87 ± 0.19
02-TILL-008-VERM		02-TILL-008-VERM	6		114.16 ± 4.22		433.96 ± 28.18		3.8 ± 0.28
MN-SAL-20		MN-SAL	3		159.52 ± 5.75		561.57 ± 23.46		3.52 ± 0.19
1 See the accompanying table of site names and locations.