The city of Algona is the best known locality near the maximum southern extent of these recessional stages of the Wisconsin glaciation in Iowa. This city is near the most pronounced concentration of the chief moraine in mass and height, hence the name
Johnson County offers a field of phenomena that are strikingly applicable to the theme of our late P...
The region considered in this paper is a small area lying to the south and southeast of Sioux Falls,...
The gravels related to the Iowan glaciation of northeastern Iowa have been studied in the field and ...
The principal moraine of this Wisconsin group in Iowa extends from the northeastern corner of Winneb...
The Humboldt stages, like the Algona stages consist of a series of recessional moraines some of whic...
A definite moraine extends southeastward across the southwestern township of Butler County to centra...
Immediately following the time that the Altamont moraine was formed there was an intermittent retrea...
The several major and many more minor recessional moraines are discussed with respect to their locat...
This map shows the positions of the margin, of the recessional stages and of the substages respectiv...
As occupying the middle of the main lobe of the Ashawa glaciation, the upper Des Moines River held s...
There is one glaciation that did not reach Iowa, the absence of which throws all into confusion. Thi...
Calculated upon the basis of Bruckner climatological cycle of 33 years, the retreat of the Des Moine...
With the lower Minnesota valley blocked with ice, drainage from the waning Keewatin glacier, in sout...
Johnson County offers a field of phenomena that are strikingly applicable to the theme of our late P...
The region considered in this paper is a small area lying to the south and southeast of Sioux Falls,...
The gravels related to the Iowan glaciation of northeastern Iowa have been studied in the field and ...
The principal moraine of this Wisconsin group in Iowa extends from the northeastern corner of Winneb...
The Humboldt stages, like the Algona stages consist of a series of recessional moraines some of whic...
A definite moraine extends southeastward across the southwestern township of Butler County to centra...
Immediately following the time that the Altamont moraine was formed there was an intermittent retrea...
The several major and many more minor recessional moraines are discussed with respect to their locat...
This map shows the positions of the margin, of the recessional stages and of the substages respectiv...
As occupying the middle of the main lobe of the Ashawa glaciation, the upper Des Moines River held s...
There is one glaciation that did not reach Iowa, the absence of which throws all into confusion. Thi...
Calculated upon the basis of Bruckner climatological cycle of 33 years, the retreat of the Des Moine...
With the lower Minnesota valley blocked with ice, drainage from the waning Keewatin glacier, in sout...
Johnson County offers a field of phenomena that are strikingly applicable to the theme of our late P...
The region considered in this paper is a small area lying to the south and southeast of Sioux Falls,...
The gravels related to the Iowan glaciation of northeastern Iowa have been studied in the field and ...
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