Cool Duluth Minnesota: Summer City of the Continent Paul Lundgren 9 years ago This little item was recently unearthed by Michael J. Martens of Portland, Ore., and sent PDD’s way via Jess Koski. Recommended Links:Lozon’s Marine Bar and GrillMystery Logo from Duluth ShirtArty Duluth Concert Ticket StubsDuluth-area School Pin-back Buttons