потоп на 3000 фунтов стерлингов :P :P


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серые и белые пятна - NO DATA

частично сперто с
About the Digital Chart of the World Data Server
The Pennsylvania State University Libraries
суша--
Hypsography polygon type. The hypsography polygons are coded to form elevation zones, as indicated in the classification scheme below.
Code Definition
1. = Below mean sea level
2. = 0 to 1,000 feet above mean sea level
3. = 1,000 to 3,000 feet
4. = 3,000 to 7,000 feet
5. = 7,000 to 11,000 feet
6. = 11,000 feet and above
7. = Uncontoured or unsurveyed
8. = Area does not have a 1,000-foot contour interval (only exists on JNC)
9. = None - ледники
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