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Are frac sand miners failing to check for rare butterfly? Jan. 31, 2012
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View locations of sand deposits, frac sand mining operations and the Karner blue butterfly range. Click the image below to open a larger version.
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More reading
Hydrofrac sand mining: The resource and the issues, October 2011. Bruce Brown, senior geologist for the Wisconsin Geological and Natural History Survey.
Wisconsin DNR’s Karner blue butterfly page. Includes county maps of the butterfly’s high probability range.
U.S. Fish and Wildlife Service’s Karner blue butterfly main page. Also, a page for applicants or consultants to learn what federally listed, proposed and candidate species may be are in their project area and how to analyze whether their project may affect such species
Sand mining surges in Wisconsin, July 31, 2011. Wisconsin Center for Investigative Journalism.
Silica sand page at the Wisconsin Natural History and Geological Survey. Recently published fact sheet on frac sand, county maps and geological reports.
Contacts
Tom Woletz, DNR point person on frac sand: thomas.woletz@wisconsin.gov
Dave Lentz or Jenny Bardeen, Wisconsin Department of Natural Resources Karner blue habitat conservation plan, david.lentz@wisconsin.gov or jennifer.bardeen@wisconsin.gov
Cathy Carnes, U.S. Fish and Wildlife Service endangered species coordinator: cathy_carnes@fws.gov
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