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  What is GIS?

A geographic information system (GIS) is a system of computer hardware, software, data, and people designed to provide information about a place.

The information can be thought of as existing in "layers" that work together to give a complete picture of that place, including the interaction of many factors that define that place.  The common element of the data is its address.  By using a GIS, a person can access such seemingly disparate data pertaining to that place, such as soil type, quality of groundwater, proximity to airports or highways, etc.  GIS is being used by government, industry and the military to make complex data understandable to policy makers, planners and interested citizens.

  GIS in South Dakota

South Dakota state government has used GIS for many applications from flood prediction and management to tax rate evaluation.    

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State of South Dakota 2008