▁on ▁the ▁rect angular ▁foundation ▁discovered ▁by ▁George ▁Washington ▁Par ke ▁C ust is ▁in ▁June ▁ 1 8 1 5 , ▁and ▁on ▁descri ptions ▁of ▁the ▁house ▁as ▁a ▁" house ▁of ▁ten ▁or ▁twelve ▁rooms , ▁of ▁two ▁stories ▁in ▁height , ▁with ▁an ▁ell , ▁and ▁probably , ▁not ▁much ▁dis similar ▁or ▁smaller ▁than ▁G unst on ▁Hall .. ..." ▁ ▁In ▁ 1 9 2 7 ▁the ▁U . S . ▁Fine ▁Arts ▁Commission ▁and ▁the ▁Secretary ▁of ▁War ▁approved ▁a ▁design ▁based ▁on ▁D onn ' s ▁interpretation ▁and ▁the ▁Memorial ▁House ▁was ▁finished ▁in ▁time ▁for ▁George ▁Washington ' s ▁ 2 0 0 th ▁birth day ▁in ▁ 1 9 3 2 . ▁ ▁The ▁Memorial ▁House ▁foundation ▁was ▁later ▁revealed ▁to ▁be ▁the ▁foundation ▁of ▁a ▁large ▁rect angular ▁out ▁building ▁- ▁perhaps ▁a ▁bar n . ▁ ▁By ▁ 1 9 3 4 ▁the ▁National ▁Park ▁Service ▁conducted ▁an ▁extensive ▁ar che ological ▁survey ▁of ▁Pop es ▁Creek . ▁ ▁Ar che olog ists ▁un cover ed ▁the ▁ru ins ▁of ▁George ▁Washington ' s ▁birth ▁home ▁yield ing ▁ 1 6 , 0 0 0 ▁artifact s , ▁many ▁of ▁which ▁had ▁been ▁intens ely ▁he ated ▁by ▁a ▁fire . ▁ ▁As ▁part ▁of ▁the ▁mem orial ▁t ributes ▁on ▁the ▁occasion ▁of ▁the ▁ 2 0 0 th ▁anni versary ▁of ▁Washington ' s ▁birth , ▁D onn ▁o vers aw ▁the ▁stone work ▁on ▁the ▁columns ▁in ▁West