, ▁ere cted ▁in ▁ 1 9 0 8 ▁by ▁the ▁state ▁of ▁Maine ▁ ▁The ▁Federal ▁Monument ▁to ▁the ▁Un known ▁Dead , ▁a ▁ ▁gran ite ▁ob el isk ▁ere cted ▁in ▁ 1 8 7 5 ▁at ▁a ▁cost ▁of ▁$ 1 0 , 0 0 0 . ▁ ▁The ▁Pennsylvania ▁Monument , ▁a ▁ ▁monument ▁on ▁a ▁gran ite ▁base , ▁ere cted ▁in ▁ 1 9 0 9 ▁ ▁See ▁also ▁ ▁Anderson ville ▁Pr ison ▁Florence ▁Stock ade ▁Lib by ▁Pr ison ▁ ▁References ▁ ▁External ▁links ▁▁▁▁ ▁– ▁Co ordinates ▁for ▁the ▁Anne x ▁ ▁National ▁C emetery ▁Administration ▁ ▁Sal is bury ▁National ▁C emetery ▁▁▁▁▁▁▁ ▁Sal is bury ▁National ▁C emetery ▁at ▁Find ▁a ▁Gra ve ▁ ▁Sal is bury ▁National ▁C emetery ▁Anne x ▁at ▁Find ▁a ▁Gra ve ▁ ▁Category : C em eter ies ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁North ▁Carolina ▁Category : Pro te cted ▁areas ▁of ▁Row an ▁County , ▁North ▁Carolina ▁Category : Un ited ▁States ▁national ▁c em eter ies ▁Category : N orth ▁Carolina ▁in ▁the ▁American ▁Civil ▁War ▁Category : Build ings ▁and ▁structures ▁in ▁Sal is bury , ▁North ▁Carolina ▁Category : American ▁Civil ▁War ▁c em eter ies ▁Category : H istor ic ▁American ▁Land sc apes ▁Survey ▁in ▁North ▁Carolina ▁Category : National ▁Register ▁of ▁Historic ▁Places ▁in ▁Row an ▁County , ▁North ▁Carolina ▁Category : American ▁Civil ▁War ▁prison ▁cam ps ▁Category : 1 8 6 3 ▁establish