If you are interested in learning more about the Georgetown Branch, the best singular published source would be the out-of-print 2003 Vol 25, Num 1 issue of The Sentinel from the B&ORRHS. One is for sale on eBay right now so go scoop it up! https://www.ebay.com/itm/401484075440
The Sentinel B&O Baltimore & Ohio Railroad Historical Society Magazine
Volume 25 Number 1 2003
