| http://www.w3.org/ns/prov#value | - The extensive snow cover data sets represent a range of spatial resolutions from relatively high density measurements over a small area (e.g., the Valdai Research Station north of Moscow) to the 3000 to 5000 stations of the Hydrometeorological Service which are spread throughout the former USSR. Most of the data are currently only available in hard copy form and therefore are being digitized both
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