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1981. This polygon shapefile contains ice observations in the Arctic region for June 30, 1981. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).
1974. This polygon shapefile contains ice observations in the Arctic region for June 4, 1974. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1972. This polygon shapefile contains ice observations in the Arctic region for June 5, 1972. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1980. This polygon shapefile contains ice observations in the Arctic region for June 5, 1980. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1974. This polygon shapefile contains ice observations in the Arctic region for June 6, 1974. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1988. This polygon shapefile contains ice observations in the Arctic region for June 6, 1988. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1978. This polygon shapefile contains ice observations in the Arctic region for June 7, 1978. This polygon shapefile contains ice observations in the Arc... Arctic Climate System (ACSYS).
1979. This polygon shapefile contains ice observations in the Arctic region for June 7, 1979. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1972. This polygon shapefile contains ice observations in the Arctic region for June 8, 1972. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1973. This polygon shapefile contains ice observations in the Arctic region for June 8, 1973. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).