Illinois Geographic Information System: Applications to Environmental Management (Classic Reprint) - Hardcover

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Excerpt from Illinois Geographic Information System<br/><br/>Geographic location of natural and cultural features provides a unifying framework so that diverse data sets can be compiled and integrated to discover relationships and generate new information. Like other computer-based data management systems, gis allows the user to perform complex yses. Because maps are the primary source of information for a gis and maps are frequently used to display the data, gis is often referred to as computer mapping. But the strength and utility of gis lie as much in its data management capabilities as in its cartographic output.

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