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| Министерство природных ресурсов США (Wolverin) | |||
| Департамент внутренних ресурсов США (The US Department of the Interior should not be confused with the concept of Ministries of the Interior as used in other countries. The Department of the Interior oversees such agencies as the Bureau of Land Management, the US Geological Survey, and the National Park Service – from Wikipedia MichaelBurov) | |||
| Angielski tezaurus | |||
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| DOI | |||