The railways of the north-west have a monopoly of the business of hauling wheat, with the result that it costs 20 cents to ship a bushel of wheat from the Dakota field to Duluth, which is as much as it costs to forward it from Duluth to Liverpool.
A belt line railway connects the several systems. Superior shares with Duluth one of the finest natural inland harbours in the world.
St Paul and Duluth are ports of entry.
The bushel of wheat, or an equivalent amount of flour, can be shipped from Minneapolis or Duluth to almost any point in western Europe for from 20 to 25 cents.
The total tonnage of the Duluth - Superior Harbour was estimated in 1908 to be exceeded in the United States only by that of New York and that of Philadelphia.
For the revision of the constitution it is necessary that two-thirds of the members elected to each house of the legislature vote for the call of a constitutional convention, that a majority of all electors voting at the next general election approve the call for the convention, and that the convention consist of as many members as the house of representatives, who shall be chosen in the same manner, and shall meet within three months after the general 1 At International Falls on Rainy River and at Duluth on the St Louis immense water-power is utilized for manufacturing.
As an example of a swing bridge, that between Duluth and Superior at the head of Lake Superior over the St Louis river may be described.
There are state normal schools at Winona (1860), Mankato(1868), St Cloud (1869),Moorhead (1888) and Duluth (1902).