1852 - February / April Sea Ice 1 49.75 -53.17 1 47.58 -52.67 1 44.50 -63.50 1 48.33 -53.25 1 49.58 -53.75 1 49.25 -53.42 1852 - February / April Sea Ice edge coordinates 1 47.57 -52.58 0 47.55 -52.57 0 47.53 -52.57 0 47.52 -52.56 0 47.5 -52.56 0 47.48 -52.55 0 47.46 -52.54 0 47.44 -52.54 0 47.42 -52.53 0 47.4 -52.52 0 47.38 -52.52 0 47.36 -52.51 0 47.34 -52.5 0 47.32 -52.5 0 47.3 -52.49 0 47.28 -52.48 0 47.26 -52.48 0 47.24 -52.47 0 47.22 -52.47 0 47.2 -52.46 0 47.18 -52.45 0 47.17 -52.45 0 47.15 -52.44 0 47.13 -52.43 0 47.11 -52.43 0 47.09 -52.42 0 47.07 -52.41 0 47.05 -52.41 0 47.03 -52.4 0 47.01 -52.4 0 47.01 -52.4 0 47 -52.38 0 46.98 -52.37 0 46.97 -52.35 0 46.96 -52.34 0 46.94 -52.32 0 46.93 -52.31 0 46.92 -52.29 0 46.9 -52.28 0 46.89 -52.27 0 46.88 -52.25 0 46.86 -52.24 0 46.85 -52.22 0 46.83 -52.21 0 46.82 -52.19 0 46.81 -52.18 0 46.79 -52.16 0 46.78 -52.15 0 46.77 -52.14 0 46.75 -52.12 0 46.74 -52.11 0 46.73 -52.09 0 46.71 -52.08 0 46.7 -52.06 0 46.69 -52.05 0 46.67 -52.04 0 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