495 exit 57A,   95S, 1st exit, 1st ramp on R onto Keene Mill Rd (644) L at 1st light, Backlick Rd (617) & go ½ mile to turn R on Hooes Rd (636) Then go 5 miles & turn L on Pohick Rd (641) Go 2 blks, turn R on Newington Forest Rd; field 2 blks on R