1845 - January / April Sea Ice

         1     47.50     -52.00  
         1     45.00     -46.75  
         1     47.50     -48.25  
         1     48.00     -47.00  
         0     46.58     -49.00  
         1     48.95     -44.17  
         0     45.75     -46.55  
         0     45.10     -47.63  
         1     46.50     -56.50  
         1     44.67     -47.50  
         1     47.83     -52.83  
         1     45.88     -47.18  
         0     46.17     -47.48  
         0     45.13     -47.65  
         1     44.13     -52.27  
         1     46.67     -49.58

1845 - April Icebergs

         1     45.00     -47.63  
         1     44.35     -48.87

1845 - May Icebergs

         1     44.00     -50.00

1845 - May Sea Ice

         1     49.00     -47.50  
         0     44.25     -41.00  
         1     45.85     -49.80  
         1     43.43     -48.83  
         1     46.33     -60.17  
         1     47.50     -46.50  
         1     48.33     -47.33  
         1     48.00     -49.00  
         1     47.00     -46.00  
         1     47.50     -46.00  
         1     46.00     -48.00  
         1     45.37     -48.00  
         1     47.83     -61.17  
         0     47.83     -59.42

1845 - January / April Sea Ice edge coordinates

       1   47.71  -52.75
       0    47.7  -52.72
       0    47.7   -52.7
       0   47.69  -52.67
       0   47.68  -52.65
       0   47.67  -52.62
       0   47.67   -52.6
       0   47.66  -52.57
       0   47.65  -52.55
       0   47.65  -52.52
       0   47.64   -52.5
       0   47.63  -52.47
       0   47.62  -52.45
       0   47.62  -52.42
       0   47.61   -52.4
       0    47.6  -52.37
       0   47.59  -52.35
       0   47.59  -52.32
       0   47.58   -52.3
       0   47.57  -52.27
       0   47.57  -52.25
       0   47.56  -52.22
       0   47.55   -52.2
       0   47.54  -52.17
       0   47.54  -52.15
       0   47.53  -52.12
       0   47.52   -52.1
       0   47.51  -52.07
       0   47.51  -52.05
       0    47.5  -52.02
       0    47.5  -52.02
       0   47.49  -51.99
       0   47.47  -51.95
       0   47.46  -51.92
       0   47.45  -51.88
       0   47.43  -51.85
       0   47.42  -51.81
       0   47.41  -51.78
       0    47.4  -51.75
       0   47.38  -51.71
       0   47.37  -51.68
       0   47.36  -51.64
       0   47.34  -51.61
       0   47.33  -51.57
       0   47.32  -51.54
       0   47.31   -51.5
       0   47.29  -51.47
       0   47.28  -51.43
       0   47.27   -51.4
       0   47.25  -51.37
       0   47.24  -51.33
       0   47.23   -51.3
       0   47.22  -51.26
       0    47.2  -51.23
       0   47.19  -51.19
       0   47.18  -51.16
       0   47.16  -51.12
       0   47.15  -51.09
       0   47.14  -51.06
       0   47.13  -51.02
       0   47.13  -51.02
       0   47.12  -51.01
       0   47.11  -50.99
       0   47.11  -50.98
       0    47.1  -50.97
       0    47.1  -50.95
       0   47.09  -50.94
       0   47.09  -50.92
       0   47.08  -50.91
       0   47.08   -50.9
       0   47.07  -50.88
       0   47.07  -50.87
       0   47.06  -50.86
       0   47.06  -50.84
       0   47.05  -50.83
       0   47.05  -50.82
       0   47.04   -50.8
       0   47.04  -50.79
       0   47.03  -50.77
       0   47.03  -50.76
       0   47.02  -50.75
       0   47.02  -50.73
       0   47.01  -50.72
       0      47  -50.71
       0      47  -50.69
       0   46.99  -50.68
       0   46.99  -50.67
       0   46.98  -50.65
       0   46.98  -50.64
       0   46.97  -50.62
       0   46.97  -50.62
       0   46.96   -50.6
       0   46.96  -50.58
       0   46.95  -50.56
       0   46.94  -50.54
       0   46.93  -50.52
       0   46.92   -50.5
       0   46.91  -50.48
       0    46.9  -50.46
       0   46.89  -50.44
       0   46.88  -50.42
       0   46.88   -50.4
       0   46.87  -50.38
       0   46.86  -50.36
       0   46.85  -50.34
       0   46.84  -50.31
       0   46.83  -50.29
       0   46.82  -50.27
       0   46.81  -50.25
       0    46.8  -50.23
       0    46.8  -50.21
       0   46.79  -50.19
       0   46.78  -50.17
       0   46.77  -50.15
       0   46.76  -50.13
       0   46.75  -50.11
       0   46.74  -50.09
       0   46.73  -50.07
       0   46.72  -50.05
       0   46.71  -50.03
       0   46.71  -50.03
       0    46.7  -49.99
       0   46.69  -49.96
       0   46.67  -49.92
       0   46.66  -49.88
       0   46.64  -49.85
       0   46.63  -49.81
       0   46.62  -49.78
       0    46.6  -49.74
       0   46.59  -49.71
       0   46.57  -49.67
       0   46.56  -49.63
       0   46.54   -49.6
       0   46.53  -49.56
       0   46.52  -49.53
       0    46.5  -49.49
       0   46.49  -49.46
       0   46.47  -49.42
       0   46.46  -49.38
       0   46.45  -49.35
       0   46.43  -49.31
       0   46.42  -49.28
       0    46.4  -49.24
       0   46.39  -49.21
       0   46.37  -49.17
       0   46.36  -49.13
       0   46.35   -49.1
       0   46.33  -49.06
       0   46.32  -49.03
       0    46.3  -48.99
       0    46.3  -48.99
       0   46.29  -48.96
       0   46.29  -48.93
       0   46.28  -48.89
       0   46.27  -48.86
       0   46.26  -48.82
       0   46.25  -48.79
       0   46.25  -48.76
       0   46.24  -48.72
       0   46.23  -48.69
       0   46.22  -48.66
       0   46.21  -48.62
       0    46.2  -48.59
       0    46.2  -48.55
       0   46.19  -48.52
       0   46.18  -48.49
       0   46.17  -48.45
       0   46.16  -48.42
       0   46.15  -48.39
       0   46.15  -48.35
       0   46.14  -48.32
       0   46.13  -48.29
       0   46.12  -48.25
       0   46.11  -48.22
       0   46.11  -48.18
       0    46.1  -48.15
       0   46.09  -48.12
       0   46.08  -48.08
       0   46.07  -48.05
       0   46.06  -48.02
       0   46.06  -48.02
       0   46.06     -48
       0   46.06  -47.99
       0   46.06  -47.97
       0   46.06  -47.96
       0   46.06  -47.95
       0   46.06  -47.93
       0   46.06  -47.92
       0   46.05   -47.9
       0   46.05  -47.89
       0   46.05  -47.88
       0   46.05  -47.86
       0   46.05  -47.85
       0   46.05  -47.83
       0   46.05  -47.82
       0   46.05  -47.81
       0   46.05  -47.79
       0   46.04  -47.78
       0   46.04  -47.76
       0   46.04  -47.75
       0   46.04  -47.74
       0   46.04  -47.72
       0   46.04  -47.71
       0   46.04  -47.69
       0   46.04  -47.68
       0   46.03  -47.66
       0   46.03  -47.65
       0   46.03  -47.64
       0   46.03  -47.62
       0   46.03  -47.61
       0   46.03  -47.61
       0   45.99   -47.6
       0   45.96  -47.59
       0   45.92  -47.59
       0   45.89  -47.58
       0   45.85  -47.57
       0   45.82  -47.56
       0   45.78  -47.56
       0   45.75  -47.55
       0   45.71  -47.54
       0   45.68  -47.53
       0   45.64  -47.52
       0   45.61  -47.52
       0   45.57  -47.51
       0   45.54   -47.5
       0    45.5  -47.49
       0   45.47  -47.49
       0   45.43  -47.48
       0    45.4  -47.47
       0   45.36  -47.46
       0   45.33  -47.46
       0   45.29  -47.45
       0   45.26  -47.44
       0   45.22  -47.43
       0   45.19  -47.43
       0   45.15  -47.42
       0   45.12  -47.41
       0   45.08   -47.4
       0   45.05   -47.4
       0   45.01  -47.39
       0   45.01  -47.39
       0      45  -47.39
       0   44.99  -47.38
       0   44.98  -47.38
       0   44.97  -47.38
       0   44.96  -47.38
       0   44.95  -47.38
       0   44.94  -47.37
       0   44.93  -47.37
       0   44.92  -47.37
       0   44.91  -47.37
       0    44.9  -47.37
       0   44.89  -47.36
       0   44.88  -47.36
       0   44.87  -47.36
       0   44.85  -47.36
       0   44.84  -47.35
       0   44.83  -47.35
       0   44.82  -47.35
       0   44.81  -47.35
       0    44.8  -47.35
       0   44.79  -47.34
       0   44.78  -47.34
       0   44.77  -47.34
       0   44.76  -47.34
       0   44.75  -47.34
       0   44.74  -47.33
       0   44.73  -47.33
       0   44.72  -47.33
       0   44.71  -47.33
       0   44.71  -47.33
       0   44.71  -47.31
       0   44.72   -47.3
       0   44.72  -47.29
       0   44.72  -47.28
       0   44.72  -47.26
       0   44.73  -47.25
       0   44.73  -47.24
       0   44.73  -47.22
       0   44.74  -47.21
       0   44.74   -47.2
       0   44.74  -47.19
       0   44.74  -47.17
       0   44.75  -47.16
       0   44.75  -47.15
       0   44.75  -47.13
       0   44.76  -47.12
       0   44.76  -47.11
       0   44.76   -47.1
       0   44.76  -47.08
       0   44.77  -47.07
       0   44.77  -47.06
       0   44.77  -47.04
       0   44.78  -47.03
       0   44.78  -47.02
       0   44.78     -47
       0   44.78  -46.99
       0   44.79  -46.98
       0   44.79  -46.97
       0   44.79  -46.95
       0   44.79  -46.95
       0    44.8  -46.94
       0   44.81  -46.93
       0   44.81  -46.92
       0   44.82  -46.91
       0   44.83  -46.89
       0   44.84  -46.88
       0   44.84  -46.87
       0   44.85  -46.86
       0   44.86  -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  -46.78
       0    44.9  -46.77
       0   44.91  -46.76
       0   44.91  -46.75
       0   44.92  -46.74
       0   44.93  -46.72
       0   44.93  -46.71
       0   44.94   -46.7
       0   44.95  -46.69
       0   44.95  -46.68
       0   44.96  -46.66
       0   44.97  -46.65
       0   44.98  -46.64
       0   44.98  -46.63
       0   44.99  -46.61
       0      45   -46.6
       0      45   -46.6
       0   45.03   -46.6
       0   45.07   -46.6
       0    45.1   -46.6
       0   45.13   -46.6
       0   45.17   -46.6
       0    45.2   -46.6
       0   45.24   -46.6
       0   45.27  -46.59
       0   45.31  -46.59
       0   45.34  -46.59
       0   45.38  -46.59
       0   45.41  -46.59
       0   45.45  -46.59
       0   45.48  -46.59
       0   45.52  -46.59
       0   45.55  -46.59
       0   45.58  -46.59
       0   45.62  -46.58
       0   45.65  -46.58
       0   45.69  -46.58
       0   45.72  -46.58
       0   45.76  -46.58
       0   45.79  -46.58
       0   45.83  -46.58
       0   45.86  -46.58
       0    45.9  -46.58
       0   45.93  -46.58
       0   45.96  -46.57
       0      46  -46.57
       0      46  -46.57
       0   46.03  -46.58
       0   46.07  -46.58
       0    46.1  -46.58
       0   46.14  -46.59
       0   46.17  -46.59
       0   46.21  -46.59
       0   46.24  -46.59
       0   46.27   -46.6
       0   46.31   -46.6
       0   46.34   -46.6
       0   46.38  -46.61
       0   46.41  -46.61
       0   46.45  -46.61
       0   46.48  -46.61
       0   46.51  -46.62
       0   46.55  -46.62
       0   46.58  -46.62
       0   46.62  -46.63
       0   46.65  -46.63
       0   46.69  -46.63
       0   46.72  -46.64
       0   46.75  -46.64
       0   46.79  -46.64
       0   46.82  -46.64
       0   46.86  -46.65
       0   46.89  -46.65
       0   46.93  -46.65
       0   46.96  -46.66
       0   46.99  -46.66
       0   46.99  -46.66
       0   47.03  -46.66
       0   47.06  -46.66
       0   47.09  -46.67
       0   47.12  -46.67
       0   47.16  -46.67
       0   47.19  -46.67
       0   47.22  -46.68
       0   47.25  -46.68
       0   47.28  -46.68
       0   47.32  -46.69
       0   47.35  -46.69
       0   47.38  -46.69
       0   47.41  -46.69
       0   47.44   -46.7
       0   47.48   -46.7
       0   47.51   -46.7
       0   47.54   -46.7
       0   47.57  -46.71
       0   47.61  -46.71
       0   47.64  -46.71
       0   47.67  -46.71
       0    47.7  -46.72
       0   47.73  -46.72
       0   47.77  -46.72
       0    47.8  -46.72
       0   47.83  -46.73
       0   47.86  -46.73
       0    47.9  -46.73
       0   47.93  -46.74
       0   47.93  -46.74
       0   47.93  -46.75
       0   47.93  -46.76
       0   47.94  -46.77
       0   47.94  -46.78
       0   47.94  -46.79
       0   47.94   -46.8
       0   47.95  -46.81
       0   47.95  -46.82
       0   47.95  -46.83
       0   47.95  -46.84
       0   47.96  -46.85
       0   47.96  -46.86
       0   47.96  -46.88
       0   47.96  -46.89
       0   47.97   -46.9
       0   47.97  -46.91
       0   47.97  -46.92
       0   47.97  -46.93
       0   47.98  -46.94
       0   47.98  -46.95
       0   47.98  -46.96
       0   47.98  -46.97
       0   47.99  -46.98
       0   47.99  -46.99
       0   47.99  -47.01
       0   47.99  -47.02
       0      48  -47.03
       0      48  -47.04
       0      48  -47.05
       0      48  -47.05
       0   48.01  -47.08
       0   48.02  -47.12
       0   48.04  -47.15
       0   48.05  -47.18
       0   48.06  -47.22
       0   48.07  -47.25
       0   48.08  -47.28
       0   48.09  -47.32
       0   48.11  -47.35
       0   48.12  -47.38
       0   48.13  -47.42
       0   48.14  -47.45
       0   48.15  -47.48
       0   48.16  -47.52
       0   48.17  -47.55
       0   48.19  -47.58
       0    48.2  -47.62
       0   48.21  -47.65
       0   48.22  -47.69
       0   48.23  -47.72
       0   48.24  -47.75
       0   48.26  -47.79
       0   48.27  -47.82
       0   48.28  -47.85
       0   48.29  -47.89
       0    48.3  -47.92
       0   48.31  -47.95
       0   48.33  -47.99
       0   48.34  -48.02
       0   48.34  -48.02
       0   48.34  -48.03
       0   48.35  -48.04
       0   48.36  -48.05
       0   48.37  -48.06
       0   48.38  -48.07
       0   48.38  -48.08
       0   48.39  -48.09
       0    48.4   -48.1
       0   48.41  -48.11
       0   48.41  -48.12
       0   48.42  -48.13
       0   48.43  -48.14
       0   48.44  -48.15
       0   48.44  -48.16
       0   48.45  -48.17
       0   48.46  -48.18
       0   48.47  -48.19
       0   48.48   -48.2
       0   48.48  -48.22
       0   48.49  -48.23
       0    48.5  -48.24
       0   48.51  -48.25
       0   48.51  -48.26
       0   48.52  -48.27
       0   48.53  -48.28
       0   48.54  -48.29
       0   48.55   -48.3
       0   48.55  -48.31
       0   48.56  -48.32
       0   48.56  -48.32
       0   48.57  -48.33
       0   48.59  -48.34
       0    48.6  -48.35
       0   48.62  -48.36
       0   48.63  -48.38
       0   48.64  -48.39
       0   48.66   -48.4
       0   48.67  -48.41
       0   48.69  -48.42
       0    48.7  -48.44
       0   48.71  -48.45
       0   48.73  -48.46
       0   48.74  -48.47
       0   48.75  -48.48
       0   48.77  -48.49
       0   48.78  -48.51
       0    48.8  -48.52
       0   48.81  -48.53
       0   48.82  -48.54
       0   48.84  -48.55
       0   48.85  -48.57
       0   48.87  -48.58
       0   48.88  -48.59
       0   48.89   -48.6
       0   48.91  -48.61
       0   48.92  -48.63
       0   48.93  -48.64
       0   48.95  -48.65
       0   48.96  -48.66
       0   48.96  -48.66
       0   48.98  -48.67
       0      49  -48.69
       0   49.02   -48.7
       0   49.04  -48.71
       0   49.06  -48.73
       0   49.08  -48.74
       0   49.09  -48.75
       0   49.11  -48.77
       0   49.13  -48.78
       0   49.15  -48.79
       0   49.17  -48.81
       0   49.19  -48.82
       0   49.21  -48.84
       0   49.23  -48.85
       0   49.25  -48.86
       0   49.27  -48.88
       0   49.28  -48.89
       0    49.3   -48.9
       0   49.32  -48.92
       0   49.34  -48.93
       0   49.36  -48.94
       0   49.38  -48.96
       0    49.4  -48.97
       0   49.42  -48.98
       0   49.44     -49
       0   49.45  -49.01
       0   49.47  -49.02
       0   49.49  -49.04
       0   49.51  -49.05
       0   49.51  -49.05
       0   49.53  -49.06
       0   49.55  -49.08
       0   49.57  -49.09
       0   49.58   -49.1
       0    49.6  -49.12
       0   49.62  -49.13
       0   49.64  -49.14
       0   49.65  -49.16
       0   49.67  -49.17
       0   49.69  -49.19
       0   49.71   -49.2
       0   49.73  -49.21
       0   49.74  -49.23
       0   49.76  -49.24
       0   49.78  -49.25
       0    49.8  -49.27
       0   49.82  -49.28
       0   49.83  -49.29
       0   49.85  -49.31
       0   49.87  -49.32
       0   49.89  -49.33
       0   49.91  -49.35
       0   49.92  -49.36
       0   49.94  -49.37
       0   49.96  -49.39
       0   49.98   -49.4
       0   49.99  -49.41
       0   50.01  -49.43
       0   50.03  -49.44
       0   50.03  -49.44
       0   50.05  -49.46
       0   50.08  -49.48
       0    50.1   -49.5
       0   50.13  -49.52
       0   50.15  -49.54
       0   50.17  -49.56
       0    50.2  -49.58
       0   50.22   -49.6
       0   50.24  -49.62
       0   50.27  -49.64
       0   50.29  -49.66
       0   50.31  -49.68
       0   50.34   -49.7
       0   50.36  -49.72
       0   50.39  -49.74
       0   50.41  -49.76
       0   50.43  -49.78
       0   50.46   -49.8
       0   50.48  -49.82
       0    50.5  -49.84
       0   50.53  -49.86
       0   50.55  -49.88
       0   50.58   -49.9
       0    50.6  -49.92
       0   50.62  -49.94
       0   50.65  -49.96
       0   50.67  -49.98
       0   50.69     -50
       0   50.72  -50.02
       0   50.72  -50.02
       0   50.73  -50.03
       0   50.73  -50.04
       0   50.74  -50.05
       0   50.75  -50.06
       0   50.76  -50.06
       0   50.77  -50.07
       0   50.78  -50.08
       0   50.79  -50.09
       0    50.8   -50.1
       0    50.8  -50.11
       0   50.81  -50.12
       0   50.82  -50.13
       0   50.83  -50.14
       0   50.84  -50.15
       0   50.85  -50.16
       0   50.86  -50.17
       0   50.87  -50.18
       0   50.87  -50.18
       0   50.88  -50.19
       0   50.89   -50.2
       0    50.9  -50.21
       0   50.91  -50.22
       0   50.92  -50.23
       0   50.93  -50.24
       0   50.94  -50.25
       0   50.94  -50.26
       0   50.95  -50.27
       0   50.96  -50.28
       0   50.97  -50.29
       0   50.97  -50.29
       0   51.01  -50.31
       0   51.04  -50.33
       0   51.08  -50.35
       0   51.11  -50.38
       0   51.15   -50.4
       0   51.19  -50.42
       0   51.22  -50.44
       0   51.26  -50.47
       0   51.29  -50.49
       0   51.33  -50.51
       0   51.37  -50.53
       0    51.4  -50.56
       0   51.44  -50.58
       0   51.47   -50.6
       0   51.51  -50.62
       0   51.55  -50.65
       0   51.58  -50.67
       0   51.62  -50.69
       0   51.65  -50.71
       0   51.69  -50.74
       0   51.73  -50.76
       0   51.76  -50.78
       0    51.8   -50.8
       0   51.83  -50.83
       0   51.87  -50.85
       0   51.91  -50.87
       0   51.94   -50.9
       0   51.98  -50.92
       0   52.01  -50.94
       0   52.01  -50.94
       0   52.05  -50.96
       0   52.08  -50.98
       0   52.12     -51
       0   52.15  -51.02
       0   52.18  -51.04
       0   52.22  -51.06
       0   52.25  -51.09
       0   52.29  -51.11
       0   52.32  -51.13
       0   52.35  -51.15
       0   52.39  -51.17
       0   52.42  -51.19
       0   52.46  -51.21
       0   52.49  -51.23
       0   52.52  -51.25
       0   52.56  -51.27
       0   52.59  -51.29
       0   52.63  -51.31
       0   52.66  -51.33
       0   52.69  -51.35
       0   52.73  -51.38
       0   52.76   -51.4
       0    52.8  -51.42
       0   52.83  -51.44
       0   52.86  -51.46
       0    52.9  -51.48
       0   52.93   -51.5
       0   52.97  -51.52
       0      53  -51.54
       0      53  -51.54
       0   53.03  -51.56
       0   53.07  -51.58
       0    53.1   -51.6
       0   53.14  -51.62
       0   53.17  -51.64
       0   53.21  -51.66
       0   53.24  -51.68
       0   53.28   -51.7
       0   53.31  -51.72
       0   53.35  -51.74
       0   53.39  -51.76
       0   53.42  -51.78
       0   53.46   -51.8
       0   53.49  -51.82
       0   53.53  -51.84
       0   53.56  -51.86
       0    53.6  -51.88
       0   53.63   -51.9
       0   53.67  -51.92
       0    53.7  -51.94
       0   53.74  -51.96
       0   53.77  -51.98
       0   53.81     -52
       0   53.84  -52.02
       0   53.88  -52.04
       0   53.91  -52.06
       0   53.95  -52.08
       0   53.98   -52.1
       0   54.02  -52.12
       0   54.02  -52.12
       0   54.05  -52.13
       0   54.09  -52.15
       0   54.13  -52.17
       0   54.17  -52.18
       0    54.2   -52.2
       0   54.24  -52.22
       0   54.28  -52.23
       0   54.32  -52.25
       0   54.35  -52.27
       0   54.39  -52.28
       0   54.43   -52.3
       0   54.47  -52.32
       0    54.5  -52.34
       0   54.54  -52.35
       0   54.58  -52.37
       0   54.61  -52.39
       0   54.65   -52.4
       0   54.69  -52.42
       0   54.73  -52.44
       0   54.76  -52.45
       0    54.8  -52.47
       0   54.84  -52.49
       0   54.88   -52.5
       0   54.91  -52.52
       0   54.95  -52.54
       0   54.99  -52.56
       0   55.03  -52.57
       0   55.06  -52.59
       0    55.1  -52.61