Dollar General opens its 14,000th store location   GOODLETTSVILLE, Tenn., 2017-Aug-22 — /EPR Retail News/ — Dollar General (NYSE: DG) reached a new milestone this morning as it hosted hundreds of excited customers in Dauphin, Pennsylvania to celebrate the grand opening of the company’s 14,000th store location. “Dollar General is excited to celebrate our company’s continued growth by celebrating…