1998. This polygon shapefile contains ice observations in the Arctic region for May 19, 1998. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
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1998. This polygon shapefile contains ice observations in the Arctic region for May 20, 1998. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1998. This polygon shapefile contains ice observations in the Arctic region for May 22, 1998. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1998. This polygon shapefile contains ice observations in the Arctic region for May 25, 1998. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1998. This polygon shapefile contains ice observations in the Arctic region for May 26, 1998. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1998. This polygon shapefile contains ice observations in the Arctic region for May 27, 1998. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1998. This polygon shapefile contains ice observations in the Arctic region for May 28, 1998. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1998. This polygon shapefile contains ice observations in the Arctic region for May 29, 1998. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1676. Speed, John, 1552?-1629. Relief represented pictorially.; "Abraham Goos sculpsit."; Oval vignettes of eight African cities on top of map. Includes illustrations of ten Afri... John Speed (London).
Petroff, Ivan, 1842-, United States, Department of the Interior., and United States, Bureau of the Census. compiled by Ivan Petroof [sic] ; drawn by Harry King ; Dept. of the Interior. Relief shown by hachures and land forms. "Map III. Tenth census of Th... The Dept. and Julius Bien & Co.