Published in the Atlanta Business Chronicle on Dec 14, 2019, 10:00 am EST.https://www.bizjournals.com/atlanta/news/2019/12/14/macon-chamber-at-forefront-of-new-initiatives.html     On March 21, the Greater Macon Chamber of Commerce joined U.S. Senator Johnny Isakson and U.S. Rep. Sanford Bishop in celebrating the new Ocmulgee Mounds National Historical Park. The Macon Chamber played a…