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Start Over You searched for: Year 1975 Remove constraint Year: 1975 Resource Type Polygon data Remove constraint Resource Type: Polygon data

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1975. This polygon shapefile contains ice observations in the Arctic region for December 11, 1975. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for December 15, 1975. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for December 18, 1975. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for December 22, 1975. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for December 30, 1975. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for December 4, 1975. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for December 8, 1975. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for February 11, 1975. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for February 13, 1975. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1975. This polygon shapefile contains ice observations in the Arctic region for February 17, 1975. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).