Roadside Geology of Minnesota

作者:Ojakangas, Richard W.

页数:355

出版时间:2009-10

价格:$ 29.38

isbn号码:9780878425624

Minnesota's lakes may be its most famous features, but the glaciated countryside disguises a much longer history of volcanoes and plate collisions--not surprising when you learn that Minnesota was at the active edge of the fledgling North American continent for several billion years.