print email comment close Geographic Information Systems URL: http://erg.usgs.gov/isb/pubs/gis_poster/ Description: Geographic information systems (GIS) are computer systems "capable of assembling, storing, manipulating, and displaying geographically referenced information." This site describes GIS technology, functions, and uses, such as calculating emergency response times during a natural disaster, or finding wetlands that need protection from pollution. From the United States Geological Survey (USGS). Publisher: United States Geological Survey Extra Keywords cbrewrite Library of Congress Subject Headings: Geographic information systems LII Database Information: Record 9837 created by Rosy Brewer on 11/26/2001 Last modification on 12/04/2003 Published: 11/26/2001   Funding agency: California State Library LII Item ID: http://lii.org/cs/lii/view/item/9837