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Environmental Engineering & Earth Sciences/Geology Librarian
Jennifer Groff
303 Cooper Library
jgroff@clemson.edu
(864) 656-4782
AIM: CULibJen
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Environmental & Natural Resources Librarian
Lois Sill
302 Cooper Library
slois@clemson.edu
(864) 656-5185 |
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| Divisions of Geologic Time--Major Chronostratigraphic and Geochronologic Units |
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Fact sheet on revisions in naming geologic time scales, from the US Geological Survey (USGS) Geologic Names Committee (PDF File, 2007) |
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GEOLEX
(Geologic Names Lexicon) |
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Search tool for lithologic and geochronologic unit names, from the USGS |
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Geographic Names Information System
(GNIS) |
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Developed by USGS as the federal standard for geographic nomenclature. GNIS is the repository of domestic geographic names data; it contains information about physical and cultural geographic features of all types in the United States, associated areas, and Antarctica, current and historical, but not including roads and highways. |
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GEOnet Names Server
(GNS) |
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Provides access to the National Geospatial-Intelligence Agency's (NGA) and the U.S. Board on Geographic Names' (US BGN) database of foreign geographic feature names. The database is the official repository of foreign place-name decisions approved by the US BGN. |
