ones ▁remain ▁in ▁the ▁c emetery , ▁those ▁of ▁Private ▁John ▁M ox ey ▁of ▁the ▁ 8 0 th ▁Regiment ▁( d ied ▁ 1 8 3 8 ▁aged ▁ 3 8 ), ▁Elizabeth ▁Wh itt acker ▁( d ied ▁ 1 8 4 1 ▁aged ▁ 3 3 ) ▁and ▁Mary ▁Brown ▁( d ied ▁ 1 8 4 1 ▁aged ▁ 4 ). ▁Charles ▁Mac al ister , ▁in ▁his ▁ 1 9 0 7 ▁publication , ▁claimed ▁that ▁both ▁soldiers ▁and ▁conv ict s ▁were ▁buried ▁there . ▁ ▁Bridge ▁and ▁C ul ver ts ▁ ▁A ▁short ▁distance ▁away ▁from ▁the ▁c emetery , ▁pow der ▁magazine ▁and ▁associated ▁arch ae ological ▁sites ▁are ▁the ▁Tow r ang ▁Bridge ▁over ▁Tow r ang ▁Creek , ▁and ▁the ▁seven ▁cul ver ts ▁probably ▁constructed ▁by ▁conv ict ▁labour ers ▁from ▁the ▁Tow r ang ▁Stock ade ▁as ▁part ▁of ▁the ▁Great ▁South ▁Road . ▁It ▁is ▁believed ▁that ▁prominent ▁colonial ▁bridge ▁designer ▁David ▁Len no x ▁may ▁have ▁designed ▁this ▁bridge , ▁although ▁this ▁has ▁not ▁been ▁proven . ▁He ▁is ▁known ▁to ▁be ▁responsible ▁for ▁L ans d ow ne ▁Bridge ▁over ▁Pro spect ▁Creek ▁at ▁Liverpool ▁and ▁Lap stone ▁Bridge ▁in ▁the ▁Blue ▁Mountains . ▁The ▁Tow r ang ▁Bridge ▁was ▁built ▁- 3 9 . ▁ ▁We ir ▁A ▁we ir ▁located ▁between ▁the ▁pow der ▁magazine ▁and ▁the ▁grave ▁sites ▁is ▁claimed ▁to ▁have ▁been ▁one ▁of ▁the ▁first ▁stock ade ▁structures ▁built ▁within ▁the