▁Jon ; ▁Mont ana ▁Department ▁of ▁Transport ation , ▁" Mont ana ' s ▁Historic ▁Ste el ▁Tr uss ▁Br id ges ▁- ▁Natural ▁Pier ▁Bridge ", ▁Mont ana ▁Memory ▁Project , ▁National ▁Park ▁Service . ▁Retrieved ▁November ▁ 1 7 , ▁ 2 0 1 3 . ▁ ▁Category : Build ings ▁and ▁structures ▁in ▁Min eral ▁County , ▁Mont ana ▁Category : National ▁Register ▁of ▁Historic ▁Places ▁in ▁Min eral ▁County , ▁Mont ana ▁Category : Ro ad ▁brid ges ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁Mont ana ▁Category : Ro ad ▁brid ges ▁in ▁Mont ana ▁Category : Ste el ▁brid ges ▁in ▁the ▁United ▁States ▁Category : W ar ren ▁tr uss ▁brid ges ▁in ▁the ▁United ▁States <0x0A> </s> ▁Brig ad ier ▁A . ▁K . ▁O c ran ▁was ▁a ▁Gh ana ian ▁military ▁personnel ▁and ▁a ▁former ▁Chief ▁of ▁Army ▁Staff ▁of ▁the ▁Gh ana ▁Army . ▁He ▁served ▁as ▁Chief ▁of ▁Army ▁Staff ▁from ▁February ▁ 1 9 6 6 ▁– ▁August ▁ 1 9 6 6 . ▁ ▁References ▁ ▁Category : G h ana ian ▁military ▁personnel ▁Category : G h ana ▁Chief ▁of ▁Army ▁Staff <0x0A> </s> ▁Foreign ▁Policy ▁is ▁an ▁American ▁news ▁publication , ▁founded ▁in ▁ 1 9 7 0 ▁and ▁focused ▁on ▁global ▁affairs , ▁current ▁events , ▁and ▁domestic ▁and ▁international ▁policy . ▁It ▁produces ▁content ▁daily ▁on ▁its ▁website , ▁and ▁in ▁six ▁print ▁issues ▁ann ually . ▁ ▁Foreign ▁Policy ▁magazine ▁and ▁Foreign Policy