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Minn. lawmakers start silica sand mining hearings

State lawmakers are deciding whether they need to step in and regulate the state's booming silica sand mining industry.

http://www.kare11.com/video/2176511090001/1/Minn-lawmakers-start-silica-sand-mining-hearings http://bcdownload.gannett.edgesuite.net/kare/35140830001/35140830001_2176626161001_901868133-165-1361318266287.jpg?pubId=35140830001 Minn. lawmakers start silica sand mining hearings State lawmakers are deciding whether they need to step in and regulate the state's booming silica sand mining industry. KARElocalNewstopmobile 02:37

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