State asks for help creating geological survey of county

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By Reed Anfinson
Swift County Monitor-News

Swift County has been asked to help the Minnesota Geological Survey (MGS) develop a detailed three-dimensional map of what lies between the surface and bedrock several hundred feet below us.

“Why do you need an atlas?” Barbara Lusardi, associate director of the MSG, asked the county board of commissioners at their Jan. 7 meeting. “Because every decision you make in the county regarding land use, whether it is a new municipal water well, authorizing septic tank permits, or if you are building a new road, your decisions will be better informed if you have geological information behind them.”

Understanding the geology of the county can help how to prevent and mitigate pollution or tell it where it can mine aggregate for its roads, she explained. The geological atlas provides comprehensive geologic and ground water mapping to help the county better manage its water and mineral resources. It is used for land use planning, well head protection, and source water protection, Lusardi said...

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