...of helar, frozen, icy, glacial... 
Gustavo Adolfo Becquer 「Legends, Tales and Poems」
...More information is available aboutthe Wisconsinan, or last, glacial age, than about the earlier ones,because the last glaciation in many montane areas destroyed evidenceof earlier glaciations...
James S. Findley 「Speciation of the Wandering Shrew」
...longirostris may have gainedaccess to the eastern United States in the Illinoian Age via the northernGreat Plains south of the glacial boundary ()...
James S. Findley 「Speciation of the Wandering Shrew」
...Nextbelow the soil is the Kansan glacial drift; but the assertion thatobjects found at this depth are of the same age as the drift is notnecessarily or even presumably correct...
Gerard Fowke 「Archeological Investigations」
...The Fourth Glacial Period passed...
Various 「Astounding Stories, May, 1931」
...Afew years ago—as time might be measuredastronomically, it was no morethan yesterday—this fair landscapewas congealed white and bleak, with asweep of glacial ice...
Various 「Astounding Stories of Super-Science April 1930」
...But there, as here, are threequite distinct zones: the torrid, the temperate, and the glacial...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...Even the alternation of hot and glacial periods has sometimes been ascribed to this source...
Garrett Serviss 「Curiosities of the Sky」
...England was at one time tropical, at another time glacial...
Oliver Lodge 「Pioneers of Science」
...There is neither glacial zone, nortropic zone; the position of Jupiter is eternally that of the Earth atthe season of the equinox, and the vast world enjoys, as it were,perpetual spring...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
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