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Start Over Place Arctic Ocean Subject Sea ice
1980. This polygon shapefile contains ice observations in the Arctic region for September 22, 1980. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
1986. This polygon shapefile contains ice observations in the Arctic region for September 22, 1986. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
1997. This polygon shapefile contains ice observations in the Arctic region for September 22, 1997. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
1998. This polygon shapefile contains ice observations in the Arctic region for September 22, 1998. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
1999. This polygon shapefile contains ice observations in the Arctic region for September 22, 1999. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
2000. This polygon shapefile contains ice observations in the Arctic region for September 22, 2000. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
1966. This line shapefile contains ice observations in the Arctic region for September 23, 1966. 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 23, 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 September 23, 1968. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
1971. This polygon shapefile contains ice observations in the Arctic region for September 23, 1971. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).