terrils de oignies 29.8 27.1 32.4 31.9 31.6 32.6 36.5 38.4 39.5 40 40.7 41.9 41.7 41.8 42.4 41.3 38.4 31 29.1 26.1 25.9 31.3 31.9 33.2 32.7 37.5 39.4 38.7 45.9 49.6 45.6 56.1 62.5 66 62.6 66.2 59.1 63.9 73.4 77.7 75.2 74.2 69.9 70.1 71.7 73.9 72.4 74.7 78.6 79 76.3 74.9 77.8 75.5 64.7 60.5 63.3 66.8 63 56.8 46.8 52.8 43.6 40.1 37.4 35.7 36.1 35.8 38.8 36.4 31.9 30.7 25.6 25.3 27.3 27.2 29.4 32.5 32.4 27.1 29.6 29.7