Professional Paper - United States Geological Survey Issues 102-104

<p>This volume comprises Issues 102-104 of the Professional Paper series published by the United States Geological Survey. Dating from 1917 this work provides a snapshot of the geological and hydrological research conducted by the USGS during that period. These professional papers offer valuable insights into the state of earth sciences at the beginning of the 20th century documenting early techniques and findings in the study of geological formations and water resources.</p><p>Researchers and historians of science will find this collection a useful resource for understanding the development of geological and hydrological studies in the United States. As a primary source from a key governmental scientific organization this publication offers a unique perspective on the scientific priorities and methodologies of the era. It remains a significant contribution to the historical record of American earth science.</p><p>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.</p><p>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.</p><p>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.</p>