A sample of this dataset follows:
1840 2 6JACOBSHAVN GREENLAND 1840 3 2JACOBSHAVN GREENLAND 1840 9 25JACOBSHAVN GREENLAND 1840 10 4JACOBSHAVN GREENLAND 1840 10 19JACOBSHAVN GREENLAND 1840 11 20JACOBSHAVN GREENLAND 1840 11 28JACOBSHAVN GREENLAND 1840 12 13JACOBSHAVN GREENLAND 1840 12 16JACOBSHAVN GREENLAND 1840 12 17JACOBSHAVN GREENLAND 1841 2 8JACOBSHAVN GREENLAND 1841 2 9JACOBSHAVN GREENLAND 1841 2 16JACOBSHAVN GREENLAND 1841 2 26JACOBSHAVN GREENLAND 1841 3 11JACOBSHAVN GREENLAND 1841 9 5GODTHAAB GREENLAND 1841 9 10GODTHAAB GREENLAND 1841 9 15GODTHAAB GREENLAND 1841 9 17GODTHAAB GREENLAND 1841 9 24GODTHAAB GREENLAND 1841 10 6GODTHAAB GREENLAND [End of sample]