USGS Thesaurus
| Authors: | United States Geological Survey |
|---|---|
| About: | U.S. Geological Survey. Thematic terms for categorizing information resources. This thesaurus is intended to support finding and understanding scientific information. Source available at USGS site geo-nsdi.er.usgs.gov/thesaurus/catalog. |
| Topics: | biology, geography, geology, geospatial information, water |
| Language: | en |
29.02.2008. 21:07
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