Depth, m % Clay (PSC) % Clay (PES) % Clay (AP) % Silt (PSC) % Silt (PES) % Silt (AP) % Sand 4 24.7 55 51.5 65.1 34.8 38.3 10.2 10 23.2 53.1 57.8 71.7 41.8 37.1 5.1 22 23.3 58.9 55.4 68.2 32.5 36.1 8.5 30 8.4 11.1 6.7 68 65.3 69.7 23.6 40 26 63.7 61.4 70.6 32.9 35.2 3.4 60 22 50.4 53 67.8 39.4 36.8 10.2 70 29.1 54.8 59.1 66.4 40.7 36.3 4.5 80 22.5 60.1 58.5 75.7 38.1 39.7 1.8 90 19.3 43.8 39.4 70.5 45.9 50.4 10.2 95 28.7 56.8 61.6 62.7 34.6 29.8 8.6 100 23.8 58.5 56.4 67.8 33.1 35.2 8.4 110 26.8 63 55.8 69.2 32.9 40.2 4 120 18.9 58.9 54.6 78.4 38.4 42.7 2.7 140 22 55.7 54.4 73.7 40 41.3 4.3 150 21.3 60.5 57.7 73.4 34.2 37 5.3 155 17.2 54.7 50.9 67 29.5 33.3 15.8 157 24.3 48.7 45.7 54.3 29.9 32.9 21.4 170 23.7 45.4 46 56.7 35 34.4 19.6 180 26.7 54.3 53.2 67.3 39.7 40.8 6 190 20.2 47.3 51.5 76.4 49.3 45.1 3.4 198 29.5 59.2 55.5 64.4 34.7 38.4 6.1 210 19 54.3 51.4 78.7 43.4 46.3 2.3 220 21.5 57.7 56.1 66.5 30.3 31.9 12 230 23.1 56.4 51.5 61.2 27.9 32.8 15.7 240 29.5 51.3 50.6 56.1 34.3 35 14.4 250 23.4 54.8 55.1 72.3 40.9 40.6 4.3 260 28 55.5 59.2 63.9 36.4 32.7 8.1 270 23.6 55.5 54.7 70.8 38.9 39.7 5.6 280 29.5 56.6 56.4 65.7 38.6 38.8 4.8 288 31.1 67.2 63.5 63.4 27.3 31 5.5 300 27.2 58.5 59.2 70.2 38.9 38.2 2.6 310 27.3 64.8 63.2 70.4 32.8 34.5 2.3 320 24.9 58 57.3 70.9 37.8 38.5 4.2 330 26.7 60.6 62.2 70.7 36.8 35.2 2.6 340 25.9 60 57.9 70.1 36 38.1 4 350 23.9 59.8 57.8 70.1 34.2 36.2 6 360 26.6 61.8 64.5 72.1 36.9 34.2 1.3 370 24.3 56.3 60 71.3 39.3 35.6 4.4 380 33.6 63 59.9 61.3 31.9 35 5.1 390 30.5 64.5 64.1 68.2 34.2 34.6 1.3 400 23.6 62.6 59.6 74.4 35.2 38.2 2.2 415 30.3 56.6 60 61.6 35.3 31.9 8.1 420 20 60.1 62.1 77.9 37.8 35.8 2.1 430 24.5 55.3 60.8 71.7 40.9 35.4 3.8 440 27.7 52.8 52.3 56.5 31.4 31.9 15.8 446 22 53.6 53.7 61.2 29.6 29.5 16.8 450 27.7 67.1 62.2 66.5 27.1 31 5.8 460 27.5 62.7 62.3 70.9 35.7 36.1 1.6 465 27.5 56.7 58.8 69.3 40.1 38 3.2 470 26.1 54.5 58.4 70.8 42.4 38.5 3.1 478 27.3 61.3 59 70.2 36.2 38.5 2.5