Friday November 8 broke, a clear driftless day, and Murphy's party left early in the morning.
The aurora was always with us, and almost without exception could be seen on a dark, driftless night.
In six counties partly covered with drift and partly driftlessthe value was $59.
A comparison of otherwise similar counties lying within and without thedriftless area shows an astonishing contrast.
Most parts of that State have been glaciated, but in the southwest there lies what is known as the "driftless area" because it is not covered with the "drift" or glacial debris which is thickly strewn over the rest of the State.
In the glaciated area 61 per cent of the land is improved and in the driftless area only 43.
In Ohio, for instance, there is also a driftless area.
Two driftless spirits on thedriftless sea of eternity," he replied calmly.
Thus the driftless area is in strong contrast with the immature drift topography about it, where lakes and waterfalls are common.
The driftless area lay to one side of the main track of both the Keewatin and the Labrador ice fields, and at the north it was protected by the upland south of Lake Superior, which weakened and retarded the movement of the ice.
Like the driftless area, the preglacial surface over which the ice advanced seems to have been well dissected after the late Tertiary uplifts, and to have been carved in many places to steep valley slopes and rugged hills.
The "driftless area" includes, besides the southwestern portion of Wisconsin, the adjoining corners of Minnesota, Iowa and Illinois.
The ice, for some reason, failed to cover this driftless area though it overwhelmed the territory on all sides.
If recession began during the second stage, that is, when the lobes had become confluent and completely surrounded the hill, a driftless area would appear in the midst of drift.
Map showing relations of lobes of ice during the Wisconsin ice epoch, to the driftless area.
Though at first its development is not strong, few rods have been passed before its crest is fifteen to twenty feet above the driftless area immediately to the north (see Fig.
Approached from the west, that is from the driftless side, the moraine on the lower lands is a somewhat prominent topographic feature, often appearing as a ridge thirty, forty or even fifty feet in height.
The driftlessarea therefore lies south of the highlands, beyond the limit of the ice which surmounted it, and between the Superior and Michigan glacial lobes above their point of union.
The driftless area has long been exposed to the processes of degradation.
The driftless tract enclosed by the arms of this loop is lower than the drift ridge on either hand.
For fully eleven miles, with but one decided break, and two short stretches where its development is not strong, this unique marginal ridge separates the drift-covered country on the one hand, from the driftless area on the other.
Section in a driftless area, showing relation of the mantle rock to the solid rock beneath.
With these residuary soils of the driftless area, the mantle rock of glaciated tracts is in sharp contrast.
Map of the vicinity of Devils Lake, Wisconsin, located within a reëntrant of the “kettle” moraine upon the margin of the Driftless Area.
Furthermore, the driftless area is throughout perfectly drained—it is without lakes or swamps—since all valleys are characterized throughout by forward grades.
Preliminary Paper on the Driftless Areas of the Upper Mississippi Valley, 6th Ann.
At specially favorable localities where the ice front has crossed a deep valley at the edge of the Driftless Area, we may, even in a rough way, measure the slope of the ice face.
Contrasts between the Glaciated and the Driftless Portions of Wisconsin, Bull.
An especially instructive excursion may be made by carriage in a single day to the “driftless area” some twelve miles west of the city.
The driftless area, the moraines of the later ice invasion, and the distribution of diamond localities upon the latter are also shown.
A Valley in the Driftless Area] =The driftless area.
These broad, deep channels seem to have furnished the readiest outlet for the surplus ice of the North, and so to have carried both currents of ice beyond this driftless area before they became again confluent.
I suspect the prevalence of wood in eastern Iowa may be traced to a depression of the driftless region during the advance of the glacier, so as to bring the western side of that area more into the grasp of glacial agencies.
At Flamborough Head shelly drift attains an altitude of 400 feet, but half a mile from the coast the country is practically driftless even at lower levels.
If the Drift of North America was due to the ice-sheet, why is there no drift-deposit in "the driftless region" of the Northwestern States of America?
Nor can it be supposed that the driftless regions of Siberia, Northwestern America, and the Pacific coast are due to the absence of ice upon them during the Glacial [1.
To a person passing from the drift-covered to the driftless part of the state, the topography presents a series of surprises.
Throughout the driftless area it has covered up many spots that would otherwise have been bare rocks.
What Iowa would have been had it never suffered from the effects of the ponderous ice sheets that successively overflowed its surface, is illustrated, but not perfectly, in the driftless area.
Allamakee, parts of Jackson, Dubuque, Clayton, Fayette, and Winneshiek counties belong to thedriftless area.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "driftless" in a variety of sentences. We hope that you will now be able to make sentences using this word.
