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Updated: June 7, 2025
The Call filled it, drained through it, wrapped it, overcame it; so that it sank away at last like the outwash of an exhausted tide: the weft of battle stayed unfinished in the loom. Then from the Indian lodges came the women and children. They drew near to the unearthly luxury of that Call, now lifting with an unbounded joy.
Outwash plains are sometimes pitted by bowl-shaped basins where ice blocks were left buried in the sand by the retreating glacier. Valley trains are deposits of stratified drift with which river valleys have been aggraded. Valleys leading outward from the ice front were flooded by glacial waters and were filled often to great depths with trains of stream-swept drift.
Behind the terminal moraines lie wide till plains, in places studded thickly with drumlins, or ridged with an occasional esker. Great outwash plains of sand and gravel lie in front of the moraine belts, and long valley trains of coarse gravels tell of the swift and powerful rivers of the time. Much of the loess was deposited in Iowan times.
Glacial waters took their way between the edges of the glaciers and the hillside, and here deposited sand and gravel in rude terraces. Outwash plains are plains of sand and gravel which frequently border terminal moraines on their outward face, and were spread evidently by outwash from the melting ice.
Since glacial streams are well loaded with waste due to vigorous ice erosion, the valley in front of the glacier is commonly aggraded to a broad, flat floor. These outwash deposits are known as VALLEY DRIFT. The sand brought out by streams from beneath a glacier differs from river sand in that it consists of freshly broken angular grains. Why?
The Call filled it, drained through it, wrapped it, overcame it; so that it sank away at last like the outwash of an exhausted tide: the weft of battle stayed unfinished in the loom. Then from the Indian lodges came the women and children. They drew near to the unearthly luxury of that Call, now lifting with an unbounded joy.
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