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This volume, 'Report of the United States Geological Survey to the Secretary of the Interior, Volume 23,' presents a comprehensive overview of the Survey’s activities and findings. It details geological explorations, resource assessments, and scientific research conducted across the United States. The report offers insights into the nation’s geological landscape and natural resources. A valuable resource for researchers, historians, and anyone interested in the geological sciences and the early efforts to understand and document America’s natural environment.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 copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.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.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. 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.
