▁Ex ped ition . ▁ ▁References ▁ ▁Category : L akes ▁of ▁Nev ada ▁Category : L akes ▁of ▁El ko ▁County , ▁Nev ada ▁Category : End or he ic ▁la kes ▁of ▁Nev ada <0x0A> </s> ▁The ▁G age ▁Group ▁Build ings ▁consist ▁of ▁three ▁buildings ▁located ▁at ▁ 1 8 , ▁ 2 4 ▁and ▁ 3 0 ▁S . ▁Michigan ▁Avenue , ▁between ▁Mad ison ▁Street ▁and ▁Mon roe ▁Street , ▁in ▁Chicago , ▁Illinois . ▁They ▁were ▁built ▁from ▁ 1 8 9 0 – 1 8 9 9 , ▁designed ▁by ▁Hol ab ird ▁& ▁Ro che ▁for ▁the ▁three ▁mill in ery ▁fir ms ▁- ▁G age , ▁Keith ▁and ▁A scher . ▁ ▁The ▁building ▁at ▁ 1 8 ▁S . ▁Michigan ▁Avenue ▁has ▁an ▁orn amental ▁fa ç ade ▁designed ▁by ▁Louis ▁S ull ivan . ▁ ▁It ▁was ▁listed ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁on ▁November ▁ 1 4 , ▁ 1 9 8 5 , ▁and ▁was ▁designated ▁a ▁Chicago ▁Land mark ▁on ▁September ▁ 1 1 , ▁ 1 9 9 6 . ▁ ▁In ▁addition , ▁it ▁is ▁a ▁historic ▁district ▁contrib uting ▁property ▁for ▁the ▁Chicago ▁Land mark ▁Historic ▁Michigan ▁Bou lev ard ▁District . ▁ ▁The ▁fa ç ades ▁of ▁these ▁buildings ▁demonstrate ▁two ▁different ▁approaches ▁to ▁the ▁Chicago ▁School , ▁a ▁design ▁movement ▁that ▁led ▁to ▁the ▁creation ▁of ▁modern ▁commercial ▁architecture . ▁The ▁buildings ▁by ▁Hol ab ird ▁& ▁Ro che ▁are ▁straightforward ,