Step 3 of 5 in a series of photographs depicting the process of testing an ore sample. In this step the iron ore sample is ground through a 200-mesh screen in the mine lab in step 3.
Step 5 of 5 in a series of photographs depicting the process of testing an ore sample. In this step a ring stand and crucible are used to determine the chemical analysis of the iron ore sample in the mine lab in step 5.
Step 4 of 5 in a series of photographs depicting the process of testing an ore sample. In this step the crushed iron ore sample is dumped into the riffler to get a representative sample in the mine lab in step 4.
The overburden of waste rock and earth is removed then picked up with a Bucyrus Erie shovel and placed into this 20-25 ton mining haul truck in this Hanna Mining operation.
The U.S. Department of Interior, Bureau of Mines presented a Certificate of Award in Safety for disabling accident-free operation on July 1968. The certificate denotes the awarding of the Sentinel of Safety statue for display at the mine or mine offices.
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.
The members of the U.S. Steel Traffic Committee visited the Indian School at Lake Vermilion. They posed with some of the students and staff in front of the school.
Empty ore cars appear on the tracks of this view looking east from Mahoning Location. Track sections can be seen in the photo. A boring shaft appears on the horizon in the upper right.
A view of northwest Chisholm from the water tower, looking north over the corner of the wall. Fifth Avenue NW runs north from the wall. In the lower left, a man works in his home garden inside the wall, while laundry hangs out to dry.
The ground was cleared of glacial rock deposits near the water tower and two blocks further west. The area was tightly packed with glacial deposits of huge granite boulders. Horse-drawn sleds, or ôstone boatsö were used to haul away the boulders, later used to construct the wall, the amphitheater, the field house, and the castle. The houses in the photo were moved into town.