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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... Read Full Overview

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 was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original... Read Full Overview

Geological ancestors of the brook trout and recent saibling forms from which it evolved. This book, "Geological ancestors of the brook trout and recent saibling forms from which it evolved", by John D. Quackenbos, is a replication of a book originally published before 1916. It... Read Full Overview