Petrography of the weathered zones of glacial deposits.
Abstract published in Geological Society of America Bulletin, v. 41, no. 1, p. 85, 1930.;
Petrographic study of weathering profiles above glacial drift under different drainage conditions; mineralogical and textural changes in different horizons of profiles.;
One sample study was from Kansan drift in Jefferson County, Iowa; the rest from Illinoian or early Wisconsinan drift from Illinois.;
Cited in Circular 220, "Unpublished Reports on Open File";
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