Definitions & Facts
- Earth Statistics
Basic geophysical information about the planet Earth. - EarthRef
Earth reference data and models. - Geographic Names Information System
Database for feature names authorized by U.S. Board on Geographic Names. GNIS data includes information on place names, features, and areas in the U.S. - Geologic Time Scale
From the USGS. - Glossary of Geologic Terms
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Guide updates
Guide created on 12/09/07.
Text last updated on 11/05/08.
Links last checked on 7/17/09.
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Contact Info:
152 Parks Library
Ames, IA 50011-2140
phone: (515) 294-5569
Send Email
Subjects:
Agricultural Education & Studies, Geological & Atmospheric Sciences, general science and technology reference tools, industry standards
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