Download The Gneisses, Gabbro-Schists, and Associated Rocks of Southwestern Minnesota (Classic Reprint) - Christopher Webber Hall | ePub Online

Read The Gneisses, Gabbro-Schists, and Associated Rocks of Southwestern Minnesota (Classic Reprint) - Christopher Webber Hall | ePub

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

Title : The Gneisses, Gabbro-Schists, and Associated Rocks of Southwestern Minnesota (Classic Reprint)
Author : Christopher Webber Hall
Language : en
Rating :
4.90 out of 5 stars
Type : PDF, ePub, Kindle
Uploaded : Apr 03, 2021

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