The counties where dry farming had been carried on on the largest scale were Missoula, Ravalli, Flathead, Cascade, Fergus and Gallatin, where cereal yields, though not nearly so large as from irrigated lands, were high compared with the average for the country.
Among the larger privately irrigated tracts are: 16,000 to 18,000 acres in Yellowstone county, fed by a canal built by the Billings Land & Irrigation Company; about 35,000 acres of orchard land in the Bitterroot Valley, in Ravalli county, irrigated by canals from Lake Como, a natural reservoir; and 100,000 acres in Missoula county, to be watered from a 28 ft.
Dam across the Clark Fork (or Missoula River) at Bonner.
An area of 16,000 acres in Missoula county is watered by a ditch to m.
In 1906 sugar refineries were projected at Hamilton, Kalispell, Chinook, Laurel, Missoula, Dillon and Great Falls; and in 1907 the crop was so large that 12,000 freight cars were needed to carry it and the railways had a car and coal " famine."