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Start Over You searched for: Year 1999 Remove constraint Year: 1999 Resource Type Polygon data Remove constraint Resource Type: Polygon data

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1999. This polygon shapefile contains ice observations in the Arctic region for December 30, 1999. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1999. This polygon shapefile contains ice observations in the Arctic region for December 6, 1999. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
1999. This polygon shapefile contains ice observations in the Arctic region for December 7, 1999. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
1999. This polygon shapefile contains ice observations in the Arctic region for December 8, 1999. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
1999. This polygon shapefile contains ice observations in the Arctic region for February 1, 1999. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
1999. This polygon shapefile contains ice observations in the Arctic region for February 10, 1999. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1999. This polygon shapefile contains ice observations in the Arctic region for February 11, 1999. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1999. This polygon shapefile contains ice observations in the Arctic region for February 12, 1999. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1999. This polygon shapefile contains ice observations in the Arctic region for February 16, 1999. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1999. This polygon shapefile contains ice observations in the Arctic region for February 17, 1999. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).