Regional Geography

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Minnesota's Geology

Ojakangas, Richard W
Intended to serve as a companion to Schwartz and Thiel's 1954 Minnesota's Rocks and Waters, this volume seeks to present additional geological knowledge gained since that year. Written in an accessible style, the book consists of sections on geologic history, mineral resources, and regional geography. It includes a detailed discussion of the formation of the Minnesota River Valley following the retreat of the last glaciers from Minnesota, as well as a discussion of rock types and selected places of geological interest in the valley.
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