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1984. This polygon shapefile contains ice observations in the Arctic region for August 12, 1984. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).
1987. This polygon shapefile contains ice observations in the Arctic region for October 19, 1987. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
1971. This polygon shapefile contains ice observations in the Arctic region for September 2, 1971. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1967. This polygon shapefile contains ice observations in the Arctic region for September 30, 1967. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
1968. This polygon shapefile contains ice observations in the Arctic region for October 14, 1968. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
1989. This polygon shapefile contains ice observations in the Arctic region for October 2, 1989. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).
1988. This polygon shapefile contains ice observations in the Arctic region for August 22, 1988. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).
1988. This polygon shapefile contains ice observations in the Arctic region for August 8, 1988. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1976. This polygon shapefile contains ice observations in the Arctic region for August 16, 1976. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).
1980. This polygon shapefile contains ice observations in the Arctic region for August 11, 1980. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).