Minnesota's Geology

by Richard W. Ojakangas

Summary

Admit you. You've always wanted to know how the Mississippi River was formed. For years, you have wondered about why shark teeth have been found in the Minnesota's Iron Range or wished that someone would unfold a timeline for the state's 3.5 billion-year history. Wait no longer; your prayers have been answered. University of Minnesota geology professors Ojakangas and Matsch have written a intelligent and entertaining account of this mineral-rich region.