▁war . ▁A ▁blue ▁star ▁denoted ▁a ▁service ▁member ▁in ▁action , ▁and ▁a ▁gold ▁star ▁symbol ized ▁someone ▁who ▁died ▁in ▁the ▁military . ▁In ▁St . ▁Joseph ▁County , ▁the ▁chap ters ▁of ▁the ▁D augh ters ▁of ▁the ▁American ▁Revolution ▁and ▁the ▁American ▁Leg ion ▁wanted ▁to ▁honor ▁the ▁local ▁fallen ▁soldiers . ▁Using ▁the ▁flags ▁as ▁insp iration , ▁they ▁plant ed ▁ 1 0 0   black ▁wal nut ▁and ▁four ▁Norway ▁spr uce ▁trees ▁along ▁the ▁road ▁south ▁of ▁Three ▁R ivers . ▁D edic ated ▁on ▁May ▁ 4 , ▁ 1 9 2 4 , ▁this ▁t ribute ▁was ▁named ▁the ▁Gold ▁Star ▁Memorial ▁Highway ▁and ▁ran ▁for ▁ ▁along ▁what ▁is ▁now ▁US   1 3 1 ▁south ▁of ▁Three ▁R ivers . ▁ ▁In ▁ 1 9 2 1 , ▁the ▁section ▁of ▁highway ▁south ▁of ▁Kal am az oo ▁was ▁named ▁part ▁of ▁the ▁Col gro ve ▁Highway . ▁This ▁design ation ▁included ▁several ▁other ▁roads ▁in ▁the ▁Lower ▁Pen ins ula , ▁all ▁named ▁in ▁honor ▁of ▁Philip ▁Col gro ve , ▁the ▁first ▁president ▁of ▁the ▁Michigan ▁Good ▁Ro ads ▁Association . ▁Col gro ve ▁was ▁also ▁the ▁Barry ▁County ▁pro sec utor ▁and ▁a ▁state ▁sen ator ▁in ▁the ▁late ▁ 1 9 th ▁century . ▁No ▁maps ▁document ▁the ▁name , ▁although ▁the ▁original ▁law ▁remains ▁in ▁records . ▁The ▁Michigan ▁Legisl ature ▁proposed ▁a ▁bill ▁in ▁ 2 0 0 0 ▁that ▁would ▁have ▁repe aled ▁the