Atlanta Birmingham & Atlantic Railway 1907 map, Brunswick - Nichols The AB&A is no. 10 on the map. Other railroads are no. 8, Atlantic Coast Line; no. 76, Southern Railway; no. 72, Seaboard Air Line; and no. 42, Georgia Coast & Piedmont. From: Rand, McNally & Co.'s New Business Atlas Map of Georgia. 1907.   RailGa.com. Georgia's Railroad History & Heritage. © Steve Storey. Railroad History | The Depot List | Locomotives On Display | Odds & Ends | Sources & References | Home