1851 - February / April Icebergs

           1    45.50   -48.00
           1    44.00   -46.00
           1    43.00   -49.00
           1    45.00   -45.00
           1    43.50   -46.50
           1    45.00   -43.00
           1    43.00   -55.25
           1    43.67   -55.00
           1    42.83   -50.17

1851 - February / April Sea Ice

           1    45.00   -50.00
           0    45.00   -49.00
           1    46.17   -52.50
           1    46.85   -46.50
           0    45.18   -46.50
           1    45.00   -48.00
           1    46.67   -46.50
           1    45.00   -45.00
           1    43.50   -49.00
           0    43.00   -54.00
           1    44.00   -48.00
           1    43.00   -49.00
           1    47.00   -50.00
 

1851 - February / April Sea Ice edge coordinates

       1   46.66  -53.22
       0   46.65  -53.21
       0   46.64   -53.2
       0   46.63  -53.19
       0   46.62  -53.19
       0   46.61  -53.18
       0    46.6  -53.17
       0   46.59  -53.17
       0   46.58  -53.16
       0   46.57  -53.15
       0   46.56  -53.14
       0   46.55  -53.14
       0   46.54  -53.13
       0   46.53  -53.12
       0   46.52  -53.11
       0   46.51  -53.11
       0    46.5   -53.1
       0   46.49  -53.09
       0   46.48  -53.08
       0   46.47  -53.08
       0   46.46  -53.07
       0   46.45  -53.06
       0   46.44  -53.06
       0   46.43  -53.05
       0   46.42  -53.04
       0   46.41  -53.03
       0    46.4  -53.03
       0   46.39  -53.02
       0   46.38  -53.01
       0   46.37     -53
       0   46.37     -53
       0   46.37  -52.99
       0   46.36  -52.98
       0   46.35  -52.96
       0   46.35  -52.95
       0   46.34  -52.93
       0   46.33  -52.92
       0   46.32   -52.9
       0   46.32  -52.89
       0   46.31  -52.87
       0    46.3  -52.86
       0    46.3  -52.85
       0   46.29  -52.83
       0   46.28  -52.82
       0   46.27   -52.8
       0   46.27  -52.79
       0   46.26  -52.77
       0   46.25  -52.76
       0   46.25  -52.75
       0   46.24  -52.73
       0   46.23  -52.72
       0   46.22   -52.7
       0   46.22  -52.69
       0   46.21  -52.67
       0    46.2  -52.66
       0    46.2  -52.65
       0   46.19  -52.63
       0   46.18  -52.62
       0   46.18   -52.6
       0   46.17  -52.59
       0   46.17  -52.59
       0   46.17  -52.57
       0   46.16  -52.55
       0   46.16  -52.53
       0   46.16  -52.51
       0   46.16  -52.49
       0   46.15  -52.46
       0   46.15  -52.44
       0   46.15  -52.42
       0   46.15   -52.4
       0   46.14  -52.38
       0   46.14  -52.36
       0   46.14  -52.34
       0   46.14  -52.32
       0   46.13   -52.3
       0   46.13  -52.28
       0   46.13  -52.26
       0   46.13  -52.24
       0   46.13  -52.22
       0   46.12   -52.2
       0   46.12  -52.18
       0   46.12  -52.15
       0   46.12  -52.13
       0   46.11  -52.11
       0   46.11  -52.09
       0   46.11  -52.07
       0   46.11  -52.05
       0    46.1  -52.03
       0    46.1  -52.01
       0    46.1  -51.99
       0    46.1  -51.99
       0    46.1  -51.96
       0    46.1  -51.93
       0    46.1  -51.91
       0    46.1  -51.88
       0    46.1  -51.85
       0    46.1  -51.82
       0    46.1   -51.8
       0    46.1  -51.77
       0    46.1  -51.74
       0    46.1  -51.71
       0    46.1  -51.68
       0    46.1  -51.66
       0    46.1  -51.63
       0    46.1   -51.6
       0    46.1  -51.57
       0    46.1  -51.55
       0    46.1  -51.52
       0    46.1  -51.49
       0    46.1  -51.46
       0    46.1  -51.43
       0    46.1  -51.41
       0    46.1  -51.38
       0    46.1  -51.35
       0    46.1  -51.32
       0   46.11   -51.3
       0   46.11  -51.27
       0   46.11  -51.24
       0   46.11  -51.21
       0   46.11  -51.19
       0   46.11  -51.19
       0   46.11  -51.18
       0   46.11  -51.17
       0   46.12  -51.16
       0   46.12  -51.16
       0   46.12  -51.15
       0   46.13  -51.14
       0   46.13  -51.14
       0   46.14  -51.13
       0   46.14  -51.12
       0   46.14  -51.12
       0   46.15  -51.11
       0   46.15   -51.1
       0   46.15   -51.1
       0   46.16  -51.09
       0   46.16  -51.08
       0   46.17  -51.08
       0   46.17  -51.07
       0   46.17  -51.06
       0   46.18  -51.05
       0   46.18  -51.05
       0   46.18  -51.04
       0   46.19  -51.03
       0   46.19  -51.03
       0    46.2  -51.02
       0    46.2  -51.01
       0    46.2  -51.01
       0   46.21     -51
       0   46.21  -50.99
       0   46.21  -50.99
       0   46.21  -50.99
       0   46.22  -50.95
       0   46.22  -50.92
       0   46.23  -50.88
       0   46.23  -50.85
       0   46.24  -50.81
       0   46.24  -50.78
       0   46.25  -50.74
       0   46.25  -50.71
       0   46.26  -50.68
       0   46.26  -50.64
       0   46.27  -50.61
       0   46.27  -50.57
       0   46.28  -50.54
       0   46.28   -50.5
       0   46.29  -50.47
       0   46.29  -50.43
       0    46.3   -50.4
       0    46.3  -50.37
       0    46.3  -50.33
       0   46.31   -50.3
       0   46.31  -50.26
       0   46.32  -50.23
       0   46.32  -50.19
       0   46.33  -50.16
       0   46.33  -50.12
       0   46.34  -50.09
       0   46.34  -50.06
       0   46.35  -50.02
       0   46.35  -49.99
       0   46.35  -49.99
       0   46.35  -49.98
       0   46.35  -49.97
       0   46.35  -49.96
       0   46.35  -49.95
       0   46.35  -49.95
       0   46.35  -49.94
       0   46.35  -49.93
       0   46.35  -49.92
       0   46.35  -49.91
       0   46.35  -49.91
       0   46.35   -49.9
       0   46.35  -49.89
       0   46.35  -49.88
       0   46.35  -49.87
       0   46.35  -49.86
       0   46.35  -49.86
       0   46.35  -49.85
       0   46.34  -49.84
       0   46.34  -49.83
       0   46.34  -49.82
       0   46.34  -49.82
       0   46.34  -49.81
       0   46.34   -49.8
       0   46.34  -49.79
       0   46.34  -49.78
       0   46.34  -49.78
       0   46.34  -49.77
       0   46.34  -49.76
       0   46.34  -49.75
       0   46.34  -49.75
       0   46.33  -49.75
       0   46.31  -49.75
       0    46.3  -49.75
       0   46.29  -49.75
       0   46.27  -49.75
       0   46.26  -49.75
       0   46.24  -49.75
       0   46.23  -49.75
       0   46.22  -49.76
       0    46.2  -49.76
       0   46.19  -49.76
       0   46.18  -49.76
       0   46.16  -49.76
       0   46.15  -49.76
       0   46.13  -49.76
       0   46.12  -49.76
       0   46.11  -49.76
       0   46.09  -49.76
       0   46.08  -49.76
       0   46.07  -49.76
       0   46.05  -49.76
       0   46.04  -49.76
       0   46.03  -49.76
       0   46.01  -49.76
       0      46  -49.76
       0   45.98  -49.76
       0   45.97  -49.76
       0   45.96  -49.76
       0   45.94  -49.76
       0   45.94  -49.76
       0   45.94  -49.77
       0   45.93  -49.78
       0   45.92  -49.79
       0   45.91  -49.79
       0    45.9   -49.8
       0    45.9  -49.81
       0   45.89  -49.82
       0   45.88  -49.82
       0   45.87  -49.83
       0   45.86  -49.84
       0   45.86  -49.85
       0   45.85  -49.86
       0   45.84  -49.86
       0   45.83  -49.87
       0   45.82  -49.88
       0   45.82  -49.89
       0   45.81  -49.89
       0    45.8   -49.9
       0   45.79  -49.91
       0   45.78  -49.92
       0   45.78  -49.92
       0   45.77  -49.93
       0   45.76  -49.94
       0   45.75  -49.95
       0   45.74  -49.96
       0   45.74  -49.96
       0   45.73  -49.97
       0   45.72  -49.98
       0   45.71  -49.99
       0   45.71  -49.99
       0   45.66  -49.99
       0   45.62  -49.99
       0   45.57  -49.99
       0   45.52     -50
       0   45.47     -50
       0   45.42     -50
       0   45.37  -50.01
       0   45.32  -50.01
       0   45.28  -50.01
       0   45.23  -50.01
       0   45.18  -50.02
       0   45.13  -50.02
       0   45.08  -50.02
       0   45.03  -50.02
       0   44.98  -50.03
       0   44.94  -50.03
       0   44.89  -50.03
       0   44.84  -50.04
       0   44.79  -50.04
       0   44.74  -50.04
       0   44.69  -50.04
       0   44.64  -50.05
       0   44.59  -50.05
       0   44.55  -50.05
       0    44.5  -50.05
       0   44.45  -50.06
       0    44.4  -50.06
       0   44.35  -50.06
       0    44.3  -50.07
       0    44.3  -50.07
       0   44.29  -50.06
       0   44.28  -50.05
       0   44.27  -50.05
       0   44.26  -50.04
       0   44.25  -50.03
       0   44.24  -50.03
       0   44.23  -50.02
       0   44.21  -50.01
       0    44.2  -50.01
       0   44.19     -50
       0   44.18  -49.99
       0   44.17  -49.99
       0   44.16  -49.98
       0   44.15  -49.97
       0   44.14  -49.97
       0   44.13  -49.96
       0   44.11  -49.95
       0    44.1  -49.95
       0   44.09  -49.94
       0   44.08  -49.93
       0   44.07  -49.93
       0   44.06  -49.92
       0   44.05  -49.91
       0   44.04  -49.91
       0   44.03   -49.9
       0   44.02  -49.89
       0      44  -49.89
       0   43.99  -49.88
       0   43.98  -49.87
       0   43.98  -49.87
       0   43.96  -49.86
       0   43.95  -49.86
       0   43.93  -49.85
       0   43.91  -49.84
       0    43.9  -49.83
       0   43.88  -49.82
       0   43.86  -49.81
       0   43.84  -49.81
       0   43.83   -49.8
       0   43.81  -49.79
       0   43.79  -49.78
       0   43.77  -49.77
       0   43.76  -49.77
       0   43.74  -49.76
       0   43.72  -49.75
       0    43.7  -49.74
       0   43.69  -49.73
       0   43.67  -49.73
       0   43.65  -49.72
       0   43.64  -49.71
       0   43.62   -49.7
       0    43.6  -49.69
       0   43.58  -49.69
       0   43.57  -49.68
       0   43.55  -49.67
       0   43.53  -49.66
       0   43.51  -49.65
       0    43.5  -49.64
       0   43.48  -49.64
       0   43.48  -49.64
       0   43.46  -49.62
       0   43.44   -49.6
       0   43.43  -49.58
       0   43.41  -49.56
       0   43.39  -49.54
       0   43.37  -49.52
       0   43.36   -49.5
       0   43.34  -49.48
       0   43.32  -49.46
       0    43.3  -49.44
       0   43.29  -49.42
       0   43.27  -49.41
       0   43.25  -49.39
       0   43.23  -49.37
       0   43.22  -49.35
       0    43.2  -49.33
       0   43.18  -49.31
       0   43.16  -49.29
       0   43.15  -49.27
       0   43.13  -49.25
       0   43.11  -49.23
       0   43.09  -49.21
       0   43.08  -49.19
       0   43.06  -49.18
       0   43.04  -49.16
       0   43.02  -49.14
       0   43.01  -49.12
       0   42.99   -49.1
       0   42.97  -49.08
       0   42.97  -49.08
       0   42.99  -49.07
       0   43.01  -49.06
       0   43.03  -49.04
       0   43.06  -49.03
       0   43.08  -49.02
       0    43.1  -49.01
       0   43.12     -49
       0   43.14  -48.98
       0   43.16  -48.97
       0   43.18  -48.96
       0    43.2  -48.95
       0   43.22  -48.94
       0   43.24  -48.92
       0   43.26  -48.91
       0   43.29   -48.9
       0   43.31  -48.89
       0   43.33  -48.88
       0   43.35  -48.86
       0   43.37  -48.85
       0   43.39  -48.84
       0   43.41  -48.83
       0   43.43  -48.82
       0   43.45   -48.8
       0   43.47  -48.79
       0   43.49  -48.78
       0   43.52  -48.77
       0   43.54  -48.76
       0   43.56  -48.74
       0   43.58  -48.73
       0   43.58  -48.73
       0   43.59  -48.71
       0   43.61  -48.69
       0   43.62  -48.67
       0   43.63  -48.65
       0   43.65  -48.63
       0   43.66   -48.6
       0   43.68  -48.58
       0   43.69  -48.56
       0   43.71  -48.54
       0   43.72  -48.52
       0   43.73   -48.5
       0   43.75  -48.48
       0   43.76  -48.46
       0   43.78  -48.43
       0   43.79  -48.41
       0    43.8  -48.39
       0   43.82  -48.37
       0   43.83  -48.35
       0   43.85  -48.33
       0   43.86  -48.31
       0   43.88  -48.28
       0   43.89  -48.26
       0    43.9  -48.24
       0   43.92  -48.22
       0   43.93   -48.2
       0   43.95  -48.18
       0   43.96  -48.16
       0   43.97  -48.13
       0   43.99  -48.11
       0   43.99  -48.11
       0   44.01  -48.07
       0   44.04  -48.04
       0   44.06     -48
       0   44.09  -47.96
       0   44.12  -47.92
       0   44.14  -47.88
       0   44.17  -47.84
       0   44.19  -47.81
       0   44.22  -47.77
       0   44.24  -47.73
       0   44.27  -47.69
       0    44.3  -47.65
       0   44.32  -47.61
       0   44.35  -47.58
       0   44.37  -47.54
       0    44.4   -47.5
       0   44.42  -47.46
       0   44.45  -47.42
       0   44.47  -47.38
       0    44.5  -47.34
       0   44.53  -47.31
       0   44.55  -47.27
       0   44.58  -47.23
       0    44.6  -47.19
       0   44.63  -47.15
       0   44.65  -47.11
       0   44.68  -47.07
       0    44.7  -47.04
       0   44.73     -47
       0   44.73     -47
       0   44.74  -46.98
       0   44.75  -46.97
       0   44.76  -46.96
       0   44.77  -46.95
       0   44.78  -46.94
       0   44.78  -46.93
       0   44.79  -46.91
       0    44.8   -46.9
       0   44.81  -46.89
       0   44.82  -46.88
       0   44.83  -46.87
       0   44.84  -46.86
       0   44.85  -46.84
       0   44.86  -46.83
       0   44.87  -46.82
       0   44.88  -46.81
       0   44.88   -46.8
       0   44.89  -46.79
       0    44.9  -46.77
       0   44.91  -46.76
       0   44.92  -46.75
       0   44.93  -46.74
       0   44.94  -46.73
       0   44.95  -46.72
       0   44.96   -46.7
       0   44.97  -46.69
       0   44.97  -46.68
       0   44.98  -46.67
       0   44.99  -46.66
       0   44.99  -46.66
       0   45.03  -46.65
       0   45.06  -46.65
       0   45.09  -46.65
       0   45.13  -46.65
       0   45.16  -46.64
       0    45.2  -46.64
       0   45.23  -46.64
       0   45.26  -46.63
       0    45.3  -46.63
       0   45.33  -46.63
       0   45.36  -46.62
       0    45.4  -46.62
       0   45.43  -46.62
       0   45.46  -46.61
       0    45.5  -46.61
       0   45.53  -46.61
       0   45.57  -46.61
       0    45.6   -46.6
       0   45.63   -46.6
       0   45.67   -46.6
       0    45.7  -46.59
       0   45.73  -46.59
       0   45.77  -46.59
       0    45.8  -46.58
       0   45.83  -46.58
       0   45.87  -46.58
       0    45.9  -46.57
       0   45.94  -46.57
       0   45.97  -46.57
       0   45.97  -46.57
       0      46  -46.57
       0   46.02  -46.57
       0   46.05  -46.57
       0   46.08  -46.57
       0   46.11  -46.57
       0   46.13  -46.56
       0   46.16  -46.56
       0   46.19  -46.56
       0   46.21  -46.56
       0   46.24  -46.56
       0   46.27  -46.56
       0    46.3  -46.56
       0   46.32  -46.56
       0   46.35  -46.56
       0   46.38  -46.56
       0    46.4  -46.56
       0   46.43  -46.56
       0   46.46  -46.56
       0   46.49  -46.56
       0   46.51  -46.56
       0   46.54  -46.56
       0   46.57  -46.56
       0   46.59  -46.56
       0   46.62  -46.56
       0   46.65  -46.56
       0   46.68  -46.55
       0    46.7  -46.55
       0   46.73  -46.55
       0   46.76  -46.55
       0   46.76  -46.55
       0   46.77  -46.56
       0   46.78  -46.56
       0   46.79  -46.56
       0   46.79  -46.57
       0    46.8  -46.57
       0   46.81  -46.58
       0   46.82  -46.58
       0   46.83  -46.58
       0   46.84  -46.59
       0   46.85  -46.59
       0   46.86   -46.6
       0   46.87   -46.6
       0   46.88   -46.6
       0   46.89  -46.61
       0    46.9  -46.61
       0    46.9  -46.61
       0   46.91  -46.62
       0   46.92  -46.62
       0   46.93  -46.63
       0   46.94  -46.63
       0   46.95  -46.63
       0   46.96  -46.64
       0   46.97  -46.64
       0   46.98  -46.65
       0   46.99  -46.65
       0      47  -46.65
       0   47.01  -46.66
       0   47.02  -46.66
       0   47.02  -46.67
       0   47.02  -46.67
       0   47.04  -46.68
       0   47.06  -46.69
       0   47.08   -46.7
       0    47.1  -46.71
       0   47.11  -46.72
       0   47.13  -46.74
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