What is iron ore?
Where can iron ore be found?
Rock or sediment
Which MN lake was a very important physical featur?
Lake Superior
What range did to brothers find that had iron ore in it?
Mesabi Range
TRUE OR FALSE? To be profitable, iron mining required an enormous investment in heavy machinery
TRUE
Who was the main pioneers of the mining industry in MN?
Henry Oliver
What was iron used to make?
Steel
Trains and Ships
Which brothers discovered the Mesabi Range?
Leonidas and Alfred Merritt
Which lake did they build railroads to, to bring the iron ore?
Lake Superior
Which company did Henry Oliver open in 1901?
U.S. Steel
Name at least one range you can mine iron in MN
Vermillion, Cuyana, and Mesabi
Where were the steel mills that the iron ore was transported to?
Pennsylvania and Ohio
Why was MN iron considered high grade?
It contained a high percentage of iron
What did electric shovels replace?
Steam shovels
TRUE OR FALSE? Did miners put their lives at risk in the mine?
TRUE!