News Historic Brentsville Courthouse to be used as absentee in-person voting center By Potomac Local News Published September 20, 2017 at 2:00PM | Updated September 20, 2017 at 4:09PM The Brentsville Historic Courthouse Centre once severed as a stop on the Underground Railroad to freedom. [Mary Davidson/Potomac Local] This article is FREE to read. Please Sign In or Create a FREE Account. Thank you. Author Potomac Local News View all posts #Gainesville #Haymarket #News