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Geographic Information Services (GIS)   Tags: geographic_information_systems, geography, geospatial_data, gis  

GIS technology offers powerful ways to analyze and represent data with a geographic component.
Last Updated: Sep 13, 2013 URL: Print Guide RSS UpdatesEmail Alerts

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About This Guide

This guide provides an overview of spatial data sources, mapping tools, useful website, associations and books related to GIS.

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What is GIS?

There are many definitions of what constitutes a geographic information system (GIS).

  • The USGS defines GIS as a computer system capable of capturing, storing, analyzing, and displaying geographically referenced information; that is, data identified according to location. Practitioners also define a GIS as including the procedures, operating personnel, and spatial data that go into the system.

What is a GIS?

A concise, friendly 5-minute introduction to GIS.

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