Earth Atmospheric & Planetary Sciences: Dictionaries, Encyclopedias, and Gazetteers

(APA Styling and Format)

(Purdue Library)

On-line dictionary of GIS terms by the Association for Geographic Information and the University of Edinburgh Department of Geography.

IMA approved mineral names and varieties names, (updated 1999) sorted either alphabetically or arranged systematically.

Free encyclopedia; search by keyword, browse by letter, or check out the entry and illustration indexes.

Free encyclopedia. Newly updated and expanded with more than 50,000 articles plus links giving you access to millions of articles and pictures in Electric Library.

Geologic Names Lexicon USGS, search tool for lithologic and geochronologic unit names.

USGS, contains all text from the original book in its entirety.

Association for Geographic Information and the University Of Edinburgh Department of Geography. Contains definitions for nearly one thousand terms related to Geographic Information Systems (GIS).

(US Nat. Observatory)

Choose a park, click on individual pictures, scroll through the individual collection, and download them free of charge.

Provides definitions and illustrations of oilfield terminology.

9th ed. - classic reference source comprises 901 tables of general interest to scientists and engineers, and of particular interest to those involved with physics in its larger sense.

(US Nat. Observatory)