Add to ORKGDuring the past year the writer has found some time to continue his investigations of the Iowan and Wisconsin borders. As stated in a former article, there is a strong field of evidence that the Iowan margin in Hardin and Grundy counties will need to be revised, especially in the vicinity of Eldora, Hardin County. Owing to the thinness of the Iowan drift, the high state of its weathering, and its complex relations to the loess, much more detailed work will be necessary before a definite boundary can be determined upon
One cannot work in the Iowan Drift area and in adjacent areas of older drift without confronting the...
The southern margin of the main Iowan drift sheet extends in a sinuous line across the central porti...
The region specially discussed in this paper is about five square miles in the northwest corner of F...
During the past year the writer has found some time to continue his investigations of the Iowan and ...
This paper is the result of an attempt to determine, if possible, the relation of the Wisconsin drif...
This map shows the positions of the margin, of the recessional stages and of the substages respectiv...
When a boy, living on the border between the Iowan and the Loess-Kansan drift sheets, the great diff...
McGhee, in the map accompanying his Pleistocene History of Northeastern Iowa, makes the Upper Till ...
Workers of the Pleistocene of Iowa must use several criteria for distinguishing the different drift ...
The principal moraine of this Wisconsin group in Iowa extends from the northeastern corner of Winneb...
Smith and Riecken (1947) in their revision of the Iowan-drift border in northwestern Iowan, extended...
A definite moraine extends southeastward across the southwestern township of Butler County to centra...
At the last meeting of the Academy I called attention to an extension of the Wisconsin drift south, ...
It is commonly understood that the Raccoon River, where it flows through Des Moines, lies just south...
The Illinoian till sheet here discussed was formed by the Illinois glacial lobe in connection with t...
One cannot work in the Iowan Drift area and in adjacent areas of older drift without confronting the...
The southern margin of the main Iowan drift sheet extends in a sinuous line across the central porti...
The region specially discussed in this paper is about five square miles in the northwest corner of F...
During the past year the writer has found some time to continue his investigations of the Iowan and ...
This paper is the result of an attempt to determine, if possible, the relation of the Wisconsin drif...
This map shows the positions of the margin, of the recessional stages and of the substages respectiv...
When a boy, living on the border between the Iowan and the Loess-Kansan drift sheets, the great diff...
McGhee, in the map accompanying his Pleistocene History of Northeastern Iowa, makes the Upper Till ...
Workers of the Pleistocene of Iowa must use several criteria for distinguishing the different drift ...
The principal moraine of this Wisconsin group in Iowa extends from the northeastern corner of Winneb...
Smith and Riecken (1947) in their revision of the Iowan-drift border in northwestern Iowan, extended...
A definite moraine extends southeastward across the southwestern township of Butler County to centra...
At the last meeting of the Academy I called attention to an extension of the Wisconsin drift south, ...
It is commonly understood that the Raccoon River, where it flows through Des Moines, lies just south...
The Illinoian till sheet here discussed was formed by the Illinois glacial lobe in connection with t...
One cannot work in the Iowan Drift area and in adjacent areas of older drift without confronting the...
The southern margin of the main Iowan drift sheet extends in a sinuous line across the central porti...
The region specially discussed in this paper is about five square miles in the northwest corner of F...