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<http://cityhallblog.dallasnews.com/2013/06/gas-drilling-opponents-see-setbacks-for-drilling-setbacks-as-dallas-plan-commission-set-to-debate-distance-from-wells.html/>
<http://cityhallblog.dallasnews.com/2013/06/gas-drilling-opponents-see-setbacks-for-drilling-setbacks-as-dallas-plan-commission-set-to-debate-distance-from-wells.html/>