n
robot Thêm: simple:United States Geological Survey
n (robot Thay: de:United States Geological Survey) |
n (robot Thêm: simple:United States Geological Survey) |
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[[pl:United States Geological Survey]]
[[pt:United States Geological Survey]]
[[simple:United States Geological Survey]]
[[sr:Геолошки топографски институт САД]]
[[sv:USGS]]
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