1820 - April Sea Ice 1 47.92 -52.83 1 49.00 -53.00 1820 - May Icebergs 1 42.50 -43.50 1 41.50 -51.27 1 44.17 -50.25 1 45.27 -49.27 1820 - April Sea Ice edge coordinates 1 47.05 -52.94 0 47.05 -52.91 0 47.05 -52.88 0 47.05 -52.85 0 47.05 -52.82 0 47.05 -52.78 0 47.04 -52.75 0 47.04 -52.72 0 47.04 -52.69 0 47.04 -52.66 0 47.04 -52.63 0 47.04 -52.6 0 47.04 -52.57 0 47.03 -52.54 0 47.03 -52.51 0 47.03 -52.48 0 47.03 -52.44 0 47.03 -52.41 0 47.03 -52.38 0 47.02 -52.35 0 47.02 -52.32 0 47.02 -52.29 0 47.02 -52.26 0 47.02 -52.23 0 47.02 -52.2 0 47.02 -52.17 0 47.01 -52.14 0 47.01 -52.1 0 47.01 -52.07 0 47.01 -52.04 0 47.01 -52.04 0 47.02 -52 0 47.03 -51.96 0 47.03 -51.92 0 47.04 -51.88 0 47.05 -51.84 0 47.06 -51.8 0 47.06 -51.76 0 47.07 -51.72 0 47.08 -51.68 0 47.09 -51.64 0 47.09 -51.6 0 47.1 -51.56 0 47.11 -51.52 0 47.12 -51.48 0 47.12 -51.44 0 47.13 -51.4 0 47.14 -51.36 0 47.15 -51.32 0 47.15 -51.28 0 47.16 -51.24 0 47.17 -51.2 0 47.18 -51.16 0 47.18 -51.12 0 47.19 -51.08 0 47.2 -51.04 0 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