The Gneisses, Gabbro-Schists, and Associated Rocks of Southwestern Minnesota (Classic Reprint)

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Excerpt from The Gneisses, Gabbro-Schists, and Associated Rocks of Southwestern MinnesotaUnless there be assumed a considerable elevation of the central por tion of the continent, it must be supposed that during Glacial or pre Glacial time the descent of the River Warren was a gentle one. Such is that of its successor, the Minnesota River, of post-glacial time. This fact, and the presence, throughout the upper portion of its course.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.