Great Plains glaciotectonics [cartographic material] / glaciotectonic data compiled by J.S. Aber and J.P. Bluemle ; map compiled by D.J. Sauchyn, D.L. Ackerman and J.S. Aber.
Covers southeastern Alberta, southern Saskatchewan, southern Manitoba, most of Montana, all of North Dakota, and northwestern Minnesota. Also shows "Late Wisconsin ice limit" and "Pre-Wisconsin ice limit." Relief shown by contours. "Prepared for the Work Group on Glacial Tectonics of the International Union for Quaternary Research."
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