Bøker av Collier Cobb

This pocket-sized reference is an essential guide for any mineral collector, geologist, or earth science student. Collier Cobb provides detailed descriptions and photos of common rocks and minerals found throughout North America, as well as helpful tips on mineral identification and classification. With its sturdy construction and compact size, this book is a practical and convenient resource for field research.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.