He invested in small companies on the ________
Mesabi Range
To be profitable iron mining requires an enormous investment in heavy machinery and ______
Transportation
Important to the industries success for _____
Shipping
What company did John. D Rockefelle own?
An oil company
What replaced massive steam power shovels?
Electric Shovels
How far away is most of Minnesota’s iron ore from Lake Superior
Less than 100 miles
Henry Oliver
Before mining the ore what did they have to do?
Build a railroad to Lake Superior
When was iron ore in Minnesota founded?
1865
When did they make an agreement that Oliver’s company would operate the mines?
1896
Name one of the 3 cities that a Ore loading dock needed to be built in.
Duluth, Two Harbors, and Superior Wisconsin
Who discovered the Mesabi Range?
Leonadis and Alfred Meritt
Rockefeller’s railroads and shipping transported the _______
Iron Ore