5 9   arc ▁seconds . ▁ ▁References ▁ ▁Category : K - type ▁gi ants ▁Category : Col um ba ▁( const ell ation ) ▁Col um ba e , ▁O mic ron ▁Category : D urch m uster ung ▁objects ▁ 0 3 4 6 4 2 ▁ 0 2 4 6 5 9 ▁ 0 1 7 4 3 <0x0A> </s> ▁Water ford ▁is ▁an ▁un in cor por ated ▁village ▁in ▁the ▁C ato ct in ▁Valley ▁of ▁L oud oun ▁County , ▁Virginia , ▁located ▁along ▁C ato ct in ▁Creek . ▁Water ford ▁is ▁ ▁north west ▁of ▁Washington , ▁D . C ., ▁and ▁ ▁north west ▁of ▁Le es burg . ▁The ▁entire ▁village ▁and ▁surrounding ▁coun tr ys ide ▁is ▁a ▁National ▁Historic ▁Land mark ▁District , ▁noted ▁for ▁its ▁well - pres erved ▁ 1 8 th ▁and ▁ 1 9 th - century ▁character . ▁ ▁In ▁the ▁ 1 8 1 0 ▁United ▁States ▁Census , ▁the ▁population ▁center ▁of ▁the ▁United ▁States ▁was ▁recorded ▁as ▁being ▁just ▁north west ▁of ▁the ▁village . ▁ ▁History ▁ ▁Found ing ▁ ▁Water ford ▁was ▁established ▁around ▁ 1 7 3 3 ▁by ▁Am os ▁Jan ney , ▁a ▁Qu aker ▁from ▁Buck s ▁County , ▁Pennsylvania . ▁Jan ney ▁purchased ▁ ▁on ▁the ▁south ▁fork ▁of ▁C ato ct in ▁Creek ▁and ▁established ▁a ▁gr ist ▁mill ▁and ▁saw ▁mill ▁in ▁the ▁area ▁in ▁the ▁ 1 7 4 0 s .