nesting grass soil angle distance 16 45 39.2 38 3 15 65 47 36 12 10 40 24.3 14 18 7 20 30 16 21 11 40 47.6 6 27 7 80 47.6 9 36 4 80 45.6 7 39 0 15 27.8 8 45 0 0 41.9 8 54 0 20 36.8 5 60 15 40 34.9 31 3 21 60 45.2 37 12 12 95 32.9 24 18 8 50 26.6 11 24 9 80 32.7 10 30 6 80 38.1 5 36 0 60 31.4 5 39 0 70 32.7 2 48 0 35 38.1 8 51 16 60 37.1 35 6 25 60 47.1 35 12 13 85 34 23 18 13 90 43.6 12 21 11 20 30.8 9 27 3 85 34.6 6 33 0 30 37.7 8 42 0 75 45.5 5 48 0 15 51.4 8 54 18 40 32.1 36 6 19 40 35.4 37 9 8 90 30.2 11 18 12 80 33.9 9 24 10 80 40.2 11 30 3 75 33.5 7 36 0 65 40.3 10 42 0 80 40.3 12 45 0 50 43.1 13 51 0 50 42 3 57