Summary

1911 Encyclopædia Britannica, Volume 19… (1911)

Being remarkably free from trees, rocks and streams, the soil can be turned in furrows that run perfectly straight for miles, and favours the development of “bonanza farms,” where thousands of acres are cultivated in a single field. The soils W. of the valley consist of glacial drift, and are well suited to the growing of grain. The drift becomes thinner toward the W., and finally disappears in the semi-arid regions of the Missouri river valley. In this region the soils of sand and clay are much finer than the drift, and are very productive where the water-supply is sufficient.
Source: Wikisource

1911 Encyclopædia Britannica, Volume 19… (1911)

All citizens of the United States residing in North Dakota are declared to be citizens of the state. The right of suffrage is confined by the constitution to males twenty-one years of age, who are citizens of the United States or have declared their intention of becoming citizens, and who have resided in the state one year, in the county six months, and in the voting precinct ninety days preceding the election.
Source: Wikisource

1911 Encyclopædia Britannica, Volume 19… (1911)

Prairie fires or spontaneous combustion have ignited many coal seams. Some have already burnt out; others still emit smoke and sulphurous fumes from the crevices in the hillsides, and through the fissures may be seen the glowing coal and rock. The earth surface above these natural furnaces has been hardened, cracked and sometimes melted into a reddish slag, called scoria, which, on account of its resemblance to lava, has given rise to an incorrect impression that the region was once the centre of volcanic disturbances.
Source: Wikisource

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