6 4 , ▁during ▁the ▁period ▁of ▁Mass ive ▁Res istance ▁as ▁well ▁as ▁the ▁growth ▁of ▁the ▁northern ▁Virginia ▁sub ur bs ▁of ▁Washington , ▁D . C . ▁The ▁district ▁was ▁initially ▁number ed ▁the ▁ 2 9 th , ▁and ▁included ▁Prince ▁William ▁County ▁and ▁Alexand ria ▁from ▁Don ovan ' s ▁original ▁election ▁in ▁ 1 9 5 1 ▁until ▁the ▁ 1 9 5 5 ▁election . ▁Don ovan ' s ▁core ▁F alls ▁Church ▁and ▁Fair f ax ▁area ▁was ▁reform ulated ▁for ▁that ▁election ▁as ▁the ▁ 2 8 th ▁District ▁when ▁growing ▁Northern ▁Virginia ▁received ▁some ▁additional ▁representation . ▁During ▁his ▁legisl ative ▁service , ▁Don ovan ▁also ▁served ▁as ▁Chair man ▁of ▁the ▁Inter state ▁Pot om ac ▁River ▁Bas in ▁Commission . ▁ ▁After ▁the ▁ 1 9 6 0 ▁census ▁documented ▁additional ▁growth ▁in ▁northern ▁Virginia ▁which ▁the ▁Virginia ▁legisl ature ' s ▁red istrict ing ▁bare ly ▁addressed , ▁in ▁April ▁ 1 9 6 2 ▁Don ovan ▁joined ▁with ▁fellow ▁Fair f ax ▁County ▁politician ▁John ▁C . ▁Web b , ▁as ▁well ▁as ▁C . ▁Harrison ▁Mann ▁and ▁Kath ry n ▁H . ▁Stone ▁of ▁neighbor ing ▁Ar ling ton ▁County . ▁All ▁four ▁broke ▁with ▁the ▁By rd ▁Organ ization ▁and ▁challeng ed ▁the ▁gross ▁under - re presentation ▁of ▁Northern ▁Virginia ▁( for ▁example ▁some ▁rural ▁districts ▁had ▁one ▁delegate ▁per ▁ 2 0 , 0 0 0 ▁residents ▁but ▁Fair f ax ▁County ' s ▁two