The Goodhue County Board voted unanimously to extend its moratorium on silica sand mining on Tuesday. It had been scheduled to expire Sept. 6.
The Rochester Post Bulletin reports that a compromise extension will last additional 180 days. The board rejected a one-year extension of the moratorium sought by mining opponents.
Windsor Permian purchased acreage near Red Wing in 2011 that includes sand used in the hydraulic fracturing process to extract natural gas and oil from deep within the earth.