<|begin_of_text|><|begin_of_text|><|begin_of_text|>This polygon shapefile contains ice observations in the Arctic region for July 3, 1980. This layer is part of the Arctic Climate System (ACSYS) Historical Ice Chart Archive. The earliest chart in the data set comes from <wm>1951 with the western Arctic ice extent and 1951 with the northern Bering Strait and 1951 with the southern end of the Canadian Arctic Archipelago. Source: [National Centers for Environmental Research (US)], [NCEP ARCTC/ERSA]
land area: 0,4339832 km²
land area percent: 0,433
area percent: yes
min ice extent, in: centimeter
min 0,600
max, in</wm>: 100, max 100, min:0,600
min percent, in:25