glacial lake sediments
sand	silt	clay	depth
77.5	19.5	3	10.4
71.9	24.9	3.2	11.7
50.7	36.1	13.2	12.8
52.4	41	6.6	13
70	26.5	3.5	15.7
66.5	32.2	1.3	16.3
43.1	55.3	1.6	18
53.4	36.8	9.8	18.7
15.5	54.4	30.1	20.7
31.7	41.5	26.8	22.1
65.7	27.8	6.5	22.4
70.4	29	0.6	24.4
17.4	53.6	29	25.8
10.6	69.8	19.6	32.5
38.2	43.1	18.7	33.6
10.8	52.7	36.5	36.8
18.4	50.7	30.9	37.8
4.6	47.4	48	36.9
15.6	50.4	34	42.2
31.9	45.1	23	47
9.5	53.5	37	47.1
17.1	48	34.9	48.4
10.5	55.4	34.1	49.4
4.8	54.4	40.8	49.5
2.6	45.2	52.2	59.2
11.4	52.7	35.9	60.1
6.7	46.9	46.4	61.7
6.9	49.7	43.4	62.4
4	44.9	51.1	69.3
7.4	51.7	40.9	73.6
4.8	49.5	45.7	74.4
4.5	48.5	47	78.5
6.6	52.1	41.3	82.9
6.7	47.3	45.9	87.7
7.4	45.6	46.9	88.1
6	48.9	45.1	90.4
6.3	53.8	39.9	90.6
2.5	48	49.5	97.7
2	47.8	50.2	103.7