Ground water stands high, and, exuding in the undrained initial depressions, forms marshes and lakes.
As a river system advances toward maturity the deepening and extending valleys of the tributaries lower the ground-water surface and invade the undrained depressions of the region.
Swamps and peat bogs are abundant on its undrained surface, and to this drift sheet belong the lake lands of our northern states and of the Laurentian peneplain of Canada.
Go there, and you will find yourself not only out of town, away among the fields, but you will find yourself beyond the fields, in an uncultivated, undrained wilderness.
Then he told how, after leaving behind the deep undrained grass country round Moreton-in-the-Marsh, they rose the hills by Stow and came across the moor.
But a ride in Braydon or in the Bicester "Claydons" will convince us that a stouter stamp of horse is necessary to combat a deep, undrained clay country.
It is observed in Cornwall that deep mines are freer from water in artificially well-drained, than in undrained agricultural districts.
In undrained land, evaporation is constantly bringing up to the roots the sour, exhausted water of the subsoil, which is an injury rather than a benefit.
Because this fruit is found wild in bogs, it does not follow that it can be grown successfully in undrained swamps.
It may be of interest to consider how much coal would be required to evaporate from an undrained field that amount of water which might be carried off by under-drains, but which, without them, is evaporated from the surface.
Drained lands will freeze deeper than undrained lands, and the farmer must be vigilant upon this point, or he may have his work ruined in a single Winter.
It will not then be surprising that undrained soils are, in the language of the farmer, "cold.
But still, the amount of heat which is used up in evaporating stagnant water from undrained land, that might otherwise go towards warming the land and the roots of crops, is a very serious loss.
Mr. Parkes gives the results of a valuable series of experiments, in which he compared the temperature of drained and undrained portions of a bog.
Maine, than from contiguous undrained land; and that, usually, the drained land is in condition to be worked as soon as the frost is out, quite two weeks earlier than any other land in the vicinity.
No experiments, showing the temperature of undrained soils at various depths, in the United States, have come to our knowledge.
The whole of the valley was still Basset land, but undrained in the bottom and light on the slopes, it made no figure in a rent-roll.
But the Germans could never hold Italy permanently, because they could not stand the malaria that the ruined, neglected, undrained country fostered.
Green, 'were fiercest in the greater towns, where filthy and undrained streets afforded a constant haunt to leprosy and fever.
Undrained depressions are found in the ground moraine, but they are, as a rule, broader and shallower than the "kettles" common to terminal moraines.
They were now upon plough,--undrained plough, too, which the recent rains bad rendered sticky and holding.
This was Doblington farm, consisting of a hundred and sixty of undrained obdurate clay, as sticky as bird-lime in wet, and as hard as iron in dry weather, and therefore requiring extra strength to take advantage of a favourable season.
The whole district, undrainedand unhealthy, bears the name of the "Manufactory of Little Angels," from the number of children who die there.
There had been no frost since the sharp and keen wintry weather in December, and the heavy rains which had fallen since had flooded the stream, and made the lowlands soft and oozy with undrained moisture.
Arrived at Poti, I found a very fair hotel for such a town, managed by an obliging old Frenchman; and though Poti is built on an undrained swamp, I escaped without the fever.
The effect has been to flatten out the preëxisting irregularities of the surface, and to yield at first a gently undulating plain upon which are many undrained areas and a haphazard system of drainage (Fig.
It has been known to live for years in clay and undrained soils.
Undrained land, a humid climate, the feeding of a one-sided ration or one that does not maintain the vitality of the animal, and severe work seem to produce it.
Undrained pastures and ponds are said to favor the spread of the disease.
North Carolina abounds in rich lands, undrained and uncultivated, and coal and iron ore abound.
Roads constructed over wet undrained lands are always difficult to manage and expensive to maintain, and they are liable to be broken up in wet weather or after frosts.
Underdrained land may be plowed and sowed considerably earlier in Spring than undrainedsoil of like quality.
Less water being evaporated from drained than from undrained land, the soil will be warmer throughout the growing season; hence, the crop will be heavier, and will mature earlier.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "undrained" in a variety of sentences. We hope that you will now be able to make sentences using this word.
