Constructing the bridge over the lagoon between Bde Maka Ska and Lake of the Isles in the spring of 1911 Minneapolis, Minnesota. Bde Maka Ska is Dakota for "White Earth Lake," and was previously known as "Lake Calhoun."
The U.S. Department of Interior Bureau of Mines presented a Certificate of Mine Rescue Training to Charles H. Isaacson in June 1914. It certified that Charles H. Isaacson of Virginia, Minnesota had been trained in the use of mine rescue apparatus at the Government Mine Rescue Station at Car No. 8 Virginia during which training he performed hard labor within a gallery filled with noxious and irrespirable gases and gave evidence of being qualified to use such apparatus within mines.
Duluth letter carriers in uniform standing on the steps of the main entrance to the Federal Building at Fifth Avenue West and First Street downtown that was often called the Post Office because it held the postal service department.
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
A group of workers and drillers inside tunnel of Root River Power and Light Company's Brightsdale Electric generating plant three miles north of Lanesboro; tunnel was dynamited through a quarter mile of solid rock primarily by a crew of 300 Bulgarians who specialized in that task and lived in bunkhouses on site.
Panoramic view depicting three men and several vehicles, with one truck dumping onto elevated pile. The photograph depicts the possible site preparation for road, railroad, or mine waste or overburden stockpile. Location of this event is unknown but is highly likely in St. Louis County in Minnesota.
Four members of Ole Fredericksen's surveying team from St. Peter are shown next to a wagon drawn by two horses. One of the men is looking through a transit.