2001. This polygon shapefile contains ice observations in the Arctic region for January 4, 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 January 5, 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 January 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 January 9, 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 December 10, 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 December 11, 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 December 12, 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 December 13, 2001. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
2619. Africa (Raster Image)
1867, 1868, 1869, 1870, 1871, 1872, 1873, 1874, 1875, 1876, 1877, 1878, 1879, 1880, and 1881. Gräf, A. (Adolf), active 1855-1878 and Stanford Geospatial Center. This layer is a georeferenced raster image of an historic continental map of Africa created by Adolf Gräf, and published by the Georgraphisches Ins... Stanford Digital Repository.
2620. Africa
Relief shown by shading (i.e. spot shading for deserts). Latitudinal and longitudinal lines. Prime meridians: Greenwich (top); Washington (bottom).... J.H. Colton & Co.,.