These elevators have a storage capacity of from 100,000 to 2,500,000 bushels.
There is valuable water-power, and the city has grain elevators and various manufactures.
Large grain elevators have been built, and a new commercial town has grown up. Besides cereals, which amount to 69% of the whole, the exports consist of petroleum and petroleum waste, oilcake, linseed, timber, bran, millet seed, wool, potash, zinc ore and liquorice, the total annual value ranging between 32 and 54 millions sterling.
Minneapolis is also the greatest primary wheat market in the world, its 40 or more elevators (of which those of the Washburn-Crosby Company, erected in 1907, are the largest) having a net capacity of about 35,000,000 bushels, and handling more than 90,000,000 bushels in 1908.
Long, connecting Lake Ontario and Lake Erie, with locks 270 by 45 by 14 ft., leaves Lake Erie at Port Colborne, where the Canadian government have constructed an artificial harbour and elevators for transhipment of grain from upper lake freighters to lighters of canal capacity.