PITTSBURGH, PA, 2015-8-3— /EPR Retail News/ — DICK'S Sporting Goods (NYSE: DKS), the largest U.S.-based, full-line omni-channel sporting goods retailer, will be opening its first store in North Dakota and 620th store nationwide on Friday, August 7th at Hay Creek Shops in Bismarck, ND(1451 East LaSalle Drive). DICK'S three-day grand opening celebration will run through Sunday,…