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"GIS is a computer technology that uses a geographic information system as an analytic framework for managing and integrating data; solving a problem; or understanding a past, present or future situation." For more information about the geographical information system, please visit http://www.gis.com. If you're interested in the 1921 Shelby County Atlas, click http://cdm.lib.uiowa.edu/cdm4/index_maps.php?CISOROOT=/maps where you will also find many other Iowa county vintage atlases. |