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Scientific American, Vol. 68, No. 10 (1893) (1893)
leaf 7
- glacial lakes must have been frozen solid by the in- more like some region in Arizona than any portion of tense cold that heralded the glacier’s approach. The bly for ages, by the roots of dense thickets and great the Hoosier State. The accompanying illustration is advance and retreat of the ice… … must have had a different A RECENT EROSION IN INDIANA. musk ox from Greenland. © 1893 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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