Roadside Geology of Minnesota

ISBN-13: 9780878425624 / Angielski / Miękka / 2009 / 355 str.

Richard W. Ojakangas

Opis

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.