The National Map is easily accessible for display on the Web, as products and services, and as downloadable data. It has many uses ranging from recreation to scientific analysis to emergency response. Geological Survey's (USGS) National Geospatial Program, The National Map is a collaborative effort among the USGS and other federal, state, and local partners to improve and deliver topographic information for the nation. Terms can be restricted to a particular category or all terms in a category can be browsed.Īs one of the cornerstones of the U.S. Synonyms or antonyms and glossary terms appearing as parts of other term definitions are frequently hyperlinked to allow quick reference.Īll terms in the Glossary are assigned to general discipline categories. Translated by geoscientists whose native language is Spanish, the Spanish entries can be browsed or searched directly. Spanish language equivalents for many entries in the online Glossary. These images are drawn from the Earth Science World Image Bank maintained by AGI.
The online Glossary includes several features not available in the print version:ĭisplay option for images of minerals, rocks, fossils and landforms.
Search fields may also be combined or may be browsed using a pop-up word wheel. Boolean operators (and/or/not) are available for each search field. The Glossary is searchable using terms, words within terms or definitions, categories and Spanish-language equivalents.
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