▁ 4 . 8 % ▁of ▁those ▁age ▁ 6 5 ▁or ▁over . ▁ ▁References ▁ ▁Category : T own ships ▁in ▁Glad win ▁County , ▁Michigan ▁Category : T own ships ▁in ▁Michigan <0x0A> </s> ▁The ▁existing ▁historic ▁Pier ▁ 2 6 ▁in ▁San ▁Francisco ▁is ▁located ▁on ▁the ▁Em bar c ad ero ▁with ▁its ▁entrance ▁directly ▁under ▁the ▁San ▁Francisco – O ak land ▁Bay ▁Bridge , ▁several ▁blocks ▁sout heast ▁of ▁the ▁Fer ry ▁Building . ▁The ▁pier ▁is ▁a ▁single ▁story ▁g able ▁tim ber ▁structure ▁that ▁rest s ▁partially ▁on ▁concrete ▁retain age ▁but ▁mostly ▁on ▁pier ▁found ations ▁on ▁the ▁bay . ▁Its ▁surface ▁area ▁measures ▁approximately ▁, ▁currently ▁used ▁for ▁par king ▁and ▁storage . ▁Its ▁front ▁fac ade ▁along ▁the ▁Em bar c ad ero ▁is ▁of ▁historic ▁significance . ▁ ▁History ▁By ▁the ▁middle ▁of ▁the ▁ 1 9 th ▁century , ▁San ▁Francisco ' s ▁water front ▁was ▁little ▁more ▁than ▁a ▁cr umb ling ▁mass ▁of ▁abandoned ▁ships ▁and ▁pi ers . ▁Many ▁of ▁the ▁people ▁who ▁tra ve led ▁to ▁California ▁to ▁find ▁fame ▁and ▁fortune ▁in ▁the ▁gold ▁r ush ▁simply ▁abandoned ▁their ▁boats ▁on ▁the ▁water front . ▁In ▁ 1 8 6 3 , ▁The ▁Board ▁of ▁State ▁Har bor ▁Commission ers ▁commission ed ▁a ▁sea ▁wall ▁to ▁extend ▁around ▁the ▁San ▁Francisco ' s ▁bay ▁shore , ▁which ▁exists ▁today ▁as ▁the ▁Em bar c ad ero . ▁ ▁Pier ▁ 2 6 ▁was ▁developed