1952 Explosion. Taken from Eastern Elevator (now Richardson) looking over the ruined copula of Saskatchewan Pool 4B. Noticed the scorched face of 4A, which appears to still be smoking when this was taken!
Harbor Scene (Gallagher, Duluth Public Library)
Golden Fleece Mine, between 1870 and 1890. Courtesy of Denver Public Library.
Postcard (Thanks to Don Harrison, flickr.com)
A car stops for a quick repair in the tunnel’s final years. Circa 1948. Courtesy Minnesota Historical Society.
A 1917 ad for Miscampbell Trucks (Duluth News Tribune).
Starch Works (far center) & International Truck (left), 1910s?
Air purifier and staircase at a similar base. From Library of Congress, Prints and Photographs Division, Historic American Engineering Record [HAER MN-100-68]