Breadcrumb Home News NE part of county has high quality ‘frac’ sand Thursday, February 12, 2015 The Decorah Newspapers http://www.decorahnewspapers.com/Content/Home/Home/Article/-NE-part-of-county-h… The presence of sand highly suitable for fracking is “amazingly consistent” at sample locations in the northeast corner of Winneshiek County, according to Dr. Emily Finzel. Related Project Mapping and Prediciting Potential Frac Sand Mine Locations Partner Winneshiek County