2001. This polygon shapefile contains ice observations in the Arctic region for November 14, 2001. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
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2001. This polygon shapefile contains ice observations in the Arctic region for November 6, 2001. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
2001. This polygon shapefile contains ice observations in the Arctic region for November 7, 2001. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
2001. This polygon shapefile contains ice observations in the Arctic region for November 8, 2001. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
2001. This polygon shapefile contains ice observations in the Arctic region for November 9, 2001. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
2002. This polygon shapefile contains ice observations in the Arctic region for October 11, 2002. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
1787. Rumsey, David, 1944- and Boulton, S. This layer is a georeferenced image of a map of Africa originally created by S. Boulton in 1787. The original map appears in 'A general atlas, desc... Cartography Associates.
2928. Carte d'Afrique
Poirson, J. B. (Jean Baptiste), 1760-1831. par J.B. Poirson, Inǵenieur Ǵeographe; gravée par Tardieu l'aińe Rue de Sorbonne No. 385. Relief shown pictorially. "Vendemiaire An onze 1802." Abo... s.n.].
1997. This polygon shapefile contains ice observations in the Arctic region for October 10, 1997. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
1997. This polygon shapefile contains ice observations in the Arctic region for October 13, 1997. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).