Sewell Mill Library and Convention Center May 25, 2019 Scott Britt Comments Off on Sewell Mill Library and Convention Center Location 2051 Lower Roswell Rd.MariettaGA30068 Next Event No upcoming events Loading Map.... Sewell Mill Library and Convention Center2051 Lower Roswell Rd. - MariettaEvents 33.9501596 -84.49300699999998 Upcoming Events No events in this location