1989. This polygon shapefile contains ice observations in the Arctic region for February 20, 1989. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
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1989. This polygon shapefile contains ice observations in the Arctic region for February 27, 1989. 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 February 6, 1989. 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 January 16, 1989. 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 January 23, 1989. 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 January 30, 1989. 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 March 13, 1989. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1989. This polygon shapefile contains ice observations in the Arctic region for March 20, 1989. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1989. This polygon shapefile contains ice observations in the Arctic region for March 28, 1989. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1989. This polygon shapefile contains ice observations in the Arctic region for March 6, 1989. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).