MOUNT VERNON – Blackberry Alley between Vine Street and Gambier Street will be closed Monday, June 12, 7:45 a.m. - 1 p.m. for the installation of a new gas service at 110 S. Main St. Cumberland Gas requested this closure and the road will be closed to all traffic, including emergency traffic. Please call Columbia Gas at 740-461-0073 Gary Shephard if you have questions regarding this closure.