driftless area

American  

noun

1. a tract of land that was once surrounded but never covered by a continental glacier, consequently having no glacial deposits.

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Example Sentences

“The driftless area, I’d never been before,” Waller said.

From Washington Times • Apr. 21, 2018

The "driftless area" includes, besides the southwestern portion of Wisconsin, the adjoining corners of Minnesota, Iowa and Illinois.

From The Geography of the Region about Devils Lake and the Dalles of the Wisconsin by Atwood, Wallace W.

South of the driftless area the Mississippi valley was invaded at different times by ice sheets from the west,—the Kansan and the Iowan,—and again by the Illinoian ice sheet from the east.

From The Elements of Geology by Norton, William Harmon

A comparison of otherwise similar counties lying within and without the driftless area shows an astonishing contrast.

From The Red Man's Continent: a chronicle of aboriginal America by Huntington, Ellsworth

The driftless area 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.

From The Geography of the Region about Devils Lake and the Dalles of the Wisconsin by Atwood, Wallace W.