United States, Central Intelligence Agency. "505211 (A00175) 11-82." Available also through the Library of Congress Web site as a raster image. Central Intelligence Agency.
Wyld, James, 1812-1887. drawn by J. Wyld ; Hewitt, Sc. Grafton Str. East, Totten. Ct. Ro. Relief shown pictorially and by spot shading (for deserts). Latitudinal and longi... John Thomson & Co.,.
2000. This polygon shapefile contains ice observations in the Arctic region for February 10, 2000. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
2000. This polygon shapefile contains ice observations in the Arctic region for February 11, 2000. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
2000. This polygon shapefile contains ice observations in the Arctic region for February 14, 2000. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
2000. This polygon shapefile contains ice observations in the Arctic region for February 15, 2000. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
2000. This polygon shapefile contains ice observations in the Arctic region for February 16, 2000. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
2000. This polygon shapefile contains ice observations in the Arctic region for February 2, 2000. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
2000. This polygon shapefile contains ice observations in the Arctic region for February 3, 2000. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).