2001. This polygon shapefile contains ice observations in the Arctic region for June 14, 2001. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).
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2001. This polygon shapefile contains ice observations in the Arctic region for June 4, 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 June 5, 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 June 6, 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 June 7, 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 June 8, 2001. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
2012. United States. Department of State. Office of the Geographer. This line shapefile contains country boundaries for Europe and Asia. Large Scale International Boundaries (LSIB) are created and maintained by the ... United States. Department of State. Humanitarian Information Unit.
2478. Africa (Raster Image)
1821. Woodbridge, William C. (William Channing), 1794-1845 and Stanford Geospatial Center. This layer is a georeferenced raster image of an historic paper map of Africa. This continental map was originally created by William Channing Wood... Stanford Digital Repository.
2002. This polygon shapefile contains ice observations in the Arctic region for April 16, 2002. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
2002. This polygon shapefile contains ice observations in the Arctic region for April 17, 2002. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).