United States Geological Survey: verschil tussen versies
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k robot Erbij: ms:Pemantauan Geologi Amerika Syarikat |
k cs:United States Geological Survey, commons |
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Regel 4:
==Externe link==
{{commonscat}}
*[http://www.usgs.gov/ Officiële website USGS]
Regel 11 ⟶ 12:
[[bg:Геологически топографски институт на САЩ]]
[[cs:United States Geological Survey]]
[[de:United States Geological Survey]]
[[en:United States Geological Survey]]
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