Sources de la Somme par Lesdins Aller 77.6 77.6 77.6 78 76.7 1 76.4 77.1 77.4 77.7 77.8 78 78 78 78 78 78 78 78 78 2 78 78 78 78 78 78 78 3 78 77.8 77.7 78.9 79.6 79.6 4 79.7 80.4 80.2 80.2 5 80.2 80.2 82 82.1 6 80.5 80.1 80.3 81 81 81 7 81 81 81 81.5 82.3 82.9 82.6 82.3 82 81.7 81 81.1 80.9 80.7 80.6 80.8 8 80.6 80.4 80.2 80 79.9 80.4 81.5 82.3 82.8 82.9 82.6 82.6 82.3 82.1 82.1 82.2 82.3 82.3 82.2 82.7 83.1 83.1 9 85.3 85 88.5 89.6 90.5 93.6 10 94 94.2 94.2 93.4 93.2 93.1 92.7 92.6 92.2 91.9 91.6 91.1 90.8 90.3 89.7 89.7 89.7 89.7 89.2 89 88.7 88.6 88.2 88 87.9 87.8 87.7 87.8 88.3 11 88.3 88.1 88 87.9 87.9 87.9 87.9 87.9 87.9 87.9 88 88.1 88.1 88.1 88.1 88.1 88 88 87.6 87.4 86.7 86.1 85.3 84.9 84.5 84.1 83.8 83.4 83.2 83 82.9 82.6 82.4 82.4 82.3 82.2 82.2 82.1 82.1 82.1 82 82 82 82.6 83.3 83.4 83.8 84.2 84.6 85 85.3 85.4 12 85.3 85 84.2 83 82.1 81.8 81.8 81.8 81.8 81.8 83.5 85.2 84.9 13 85.2 84.4 84.8 84.3 82.2 81.1 81.1 81.5 81.5 84.5 84.6 14 84.5 84.2 84.1 15 84.2 84.5 82.6 83.7 83 83.5 82.9 86.1 87.6 16 87 82.6 83.4 85.4 88.7 84.1 83.8 17 83.8 83.8 83.8 83.4 83.3 83.2 83.2 18 83.2 83.3 83.4 83.8 83.8 85.2 86.8 85.7 85.2 86.9 86.3 87.1 19 87 85 85.1 85 87.7 87 87 20 87 86.7 87 85 84 84 84 84 21 84.3 84.4 85.1 84.9 85 85.1 85.1 22 85.1 84.7 83.7 83.8 84 83.8 83.8 83.8 84.1 84.7 85.1 85.2 85.6 86.5 87.1 88.1 89 89.5 90.9 91.6 96.1 96.8 97.2 97.3 23 97.3 97.4 97.9 98 98 98 97.8 97.5 97.3 97 96.9 96.5 96.4 96.3 96.1 96 93.4 91.1 86.2 85.9 85.9 85.8 24 85.9 86 85.9 85.7 85.6 85.4 85.3 84.3 84.9 86.5 87.7 87.9 25