National Geographic : 1949 Sep
© National Geographic Society 326 Kodachrome byJohn it.Fletcner antB5. Anthony Stewart On the Heights Above Duluth, Girls Parry Snowballs with Smiles. Business Buildings and Docks Beyond Are Etched Against Icy Lake Superior Along the crest of these hills runs Duluth's 40-mile-long Skyline Parkway Drive, overlooking city, lake, and harbor with its"diamond necklace" oflights. Besides shipping vast quantities of iron ore and grain, Duluth produces pig iron, steel, tools, electric refrigerators, meat,Klearflax linen rugs, and many other products.