This peculiar feature is explained as the result of displacement of the river from a better graded preglacial valley by the Pleistocene ice-sheet, which here overspread the plains from the moderately elevated Canadian highlands far on the north-east, instead of from the much higher mountains near by on the west.
American cotton, we may remind the reader, is graded into a number of classes, both on the Liverpool and New York Ex changes, and an attempt is made in each market to keep the grades as fixed as possible.
By special charters the General Assembly has also established 25 special graded schools.
Wisconsin has an excellent free public school system, which was established in 1848 and which provides a graded system of instruction in country district and city schools, high schools and normal schools and the University of Wisconsin (incorporated 1848; see Wisconsin, University Of).
Ideally regarded, feudalism covered Europe with a network of these fiefs, rising in graded ranks one above the other from the smallest, the knight's fee, at the bottom, to the king at the top, who was the supreme landowner, or who held the kingdom from God.
From comparative anatomy alone it is possible to arrange a series of living forms which, although structurally a convincing array because placed in a graded series, may be, nevertheless, in an order inverse to that of the actual historical succession.
About 1906 rural graded schools, outside of villages, were first organized.
The present retail, office, and wholesale sections were once high bluffs and deep ravines, but through and across these well graded streets were constructed.
The most significant canons are those directly affecting the clergy, wherein the clergy appear as a privileged class, far above the laity, but with sharply differentiated and carefully graded orders within itself.
Under it the state bought liquors, graded them in accordance with a chemical analysis, and sold them to consumers in packages of not less than one half-pint; the dispensaries were open from sunrise to sunset, no sales were made to minors or drunkards, and no liquor was drunk on the premises; there was a state dispensary commissioner and a state board of control; and the profits were divided between the state, the counties and the municipalities, the share of the state being devoted to educational purposes.