This comprehensive report from the Chief of Engineers of the US Army provides a detailed analysis of the Mississippi River and its tributaries. Drawing on data from a wide range of sources, the report covers a broad range of topics related to the river, including its geology, hydrology, and ecology. With detailed maps, charts, and illustrations, as well as insightful commentary from some of the country's leading engineers, this report is an invaluable resource for anyone interested in the Mississippi River. 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.