Böcker av Fredrik Turville Thwaites

This book explores the geological history of a region in Wisconsin, examining the various formations and minerals found there. Drawing on years of research and fieldwork, the author provides a detailed analysis of the region's geology, and how it reflects the earth's history. This book is a valuable resource for anyone interested in the study of geology, or the natural history of the region.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.