what is iron ore
What was iron ore used to make?
Steel
in the early days of mining what did most people rely on what to transport there iron?
Railroads/Trains
What was the first major iron range in Minnesota?
The vermillion range
What replaced the steam shovels used for mining?
Electric steam shovels
What is one person that invested in the mining industry?
Merritt brothers, Henry Oliver, John Rockefeller, Andrew Carnegie (any of these count)
How is iron turned into steel?
It’s melted down in a furnace and then converted into steel
What was used to transport the iron across the great lakes?
Giant ships
Minnesota has 3 main iron ranges what is the name of one?
Mesabi, Vermilion, Cuyuna
How many harbors were made for the transport of iron?
3 one in Duluth, another in Superior, and one in Two Harbors
What were some of the first people to invest in the mining industry trying to do?
Get wealthy/rich
What is the low grade iron type found in Minnesota?
Taconite
Where was most of Minnesotas iron ore country located?
Less then 100 miles away from Lake Superior
When was iron first reported in Minnesota?
1865
What was used to power the headlamps that miners wore?
Kerosene Oil
What did Henry Oliver own before the mining business?
A steel company in Pennsylvania