2001. This polygon shapefile contains ice observations in the Arctic region for May 30, 2001. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
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2001. This polygon shapefile contains ice observations in the Arctic region for May 31, 2001. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
2001. This polygon shapefile contains ice observations in the Arctic region for May 4, 2001. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).
2001. This polygon shapefile contains ice observations in the Arctic region for May 7, 2001. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).
2001. This polygon shapefile contains ice observations in the Arctic region for May 8, 2001. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).
2001. This polygon shapefile contains ice observations in the Arctic region for May 9, 2001. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).
1920. Davies, J. H. (J. Hudson). Mining recording divisions overprinted in red; shows roads and trails, railways, location of some mines and camps.; Verso: Sketch map of the southe... (Edinburgh, ).
2458. Asia
1626. Speed, John, 1552?-1629. 42 x 54 centimeters Scale approximately 1:18,333,333 Ames Library of South Asia Maps.
2002. This polygon shapefile contains ice observations in the Arctic region for November 15, 2002. 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 November 18, 2002. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).